Chemistry Sitemap - Page 6 2016-09-26

Noble Gas Element Family
The noble gases are a family of nonreactive nonmetals.

Alkali Metals or Group 1 Family of Elements
The alkali metals or group 1 elements are a distinct family of elements.

Alkaline Earth Metals or Group 2 Family of Elements
The alkaline earth metals or group 2 elements are a distinct family of elements. Here is a look at their common properties.

Transition Metals Element Family
The largest family of elements consist of transition metals.

Boron Group or Earth Metal Family of Elements
This is a description of the properties and location of the boron group or earth metal family of elements.

Carbon Group or Tetrels Family of Elements
Here is a look at the location and properties of the carbon group or tetrels family of elements.

Nitrogen Group or Pnictogens Family of Elements
The pnictogens or nitrogen group is a significant element family.

Oxygen Group or Chalcogens Family of Elements
The chalcogens family is also known as the oxygen group.

Halogen Family of Elements
The halogen family is a group of reactive nonmetals.

Metric Unit Prefixes - Chart of Prefixes of Base Units
Metric units of measurement are all based on units of ten. Here is a list of the most common metric unit prefixes.

Tattoo Inks - What You Don't Know Could Hurt You
There are some risk associated with tattoo ink that are related to ink chemistry. Find out why your tattoo ink might not be as safe as you think.

Electron Definition in Science
This is the definition of an electron as the term is used in science as well as its mass and charge.

List of the Physical Properties of Matter
This is an extensive list of physical properties of matter. It's especially useful if you need to cite examples of physical properties.

Chemical Property Definition and Examples
This is the definition of chemical property as well as examples of representative chemical properties of matter.

Why Teeth Turn Yellow (and other colors)
Learn why teeth turn yellow and how to prevent or fix it. Also, find out causes of other tooth discoloration colors, such as blue, black, and gray.

Why Chewing on Foil Hurts Your Teeth
If you've ever chewed on a piece of foil, you know how much it can hurt! Here's a look at the science of how it works.

What Is a Double Displacement Reaction?
This is the definition of double displacement reaction or salt metathesis in chemistry, with examples of representative chemical reactions.

Double Replacement Reaction Definition
This is the definition of double replacement reaction in chemistry, along with examples of representative reactions.

Synthesis Reaction Definition and Examples
Here is the definition, explanation, and examples of a synthesis reaction or direct combination reaction.

Does Bottled Tap Water Go Bad?
You can store tap water to drink later. Here's a look at its shelf life and what happens to the water over time.

How to Make Ink With Easy Ink Recipes
Get easy recipes to make your own homemade ink. These simple recipes make black, brown, and blue ink.

Classic Chemical Volcano - Ammonium Dichromate
Here are the instructions for making the classic chemical volcano. This demonstration uses ammonium dichromate to produce 'Vesuvius fire'.

Chemical Volcano Recipes You Should Try
There are several ways to model volcanic eruptions using simple chemical reactions. Here's a collection of some of the best chemical volcano recipes that you can use for a volcano demonstration or make just for fun.

Black Snakes or Glow Worms - Make Your Own Fireworks
You can make black snake or glow worm fireworks yourself, safely and easily. These fun fireworks make black ash, but don't explode.

How To Make a Pharaoh's Snake Firework
Pharaoh's snake or Pharaoh's serpent is a small firework that makes a growing snake of ash. Here's how to make Pharaoh's snakes yourself.

Cut Flower Preservative Recipes
It's easy and economical to make your own cut flower preservative. Adding floral preservative will help keep your flowers beautiful much longer than if you simply filled a vase with water.

What Are 10 Examples of Things That Are Not Matter?
Everything that has mass and takes up space is matter, yet some things do not consist of matter. Here is a list of 10 examples of non-matter.

Careers in Chemistry - Employment Options
Here's a look at some of the career options available to you in the field of chemistry with a bachelor degree, masters degree, or doctorate.

Hangover Remedies and Prevention
A hangover is the unpleasant aftereffect of drinking too much alcohol. Here's what causes a hangover and effective hangover remedies based on science.

Your Tequila May Contain Methanol
Happy Cinco de Mayo! If your holiday celebration includes tequila, you may be interested to know some tequila contains toxic methanol.

John Dalton Biography and Facts
John Dalton was a famous chemistry, physicist, and meteorologist. This biography reviews his life and important contributions to science.

Atomic Mass Unit - AMU Chemistry Definition
This is the chemistry definition of an atomic mass unit or amu and how much an amu is in kilograms and grams.

Balancing Chemical Equations Test Questions
Balancing chemical equations is a basic chemistry skill. This ten question test will check your ability to balance a chemical reaction.

Enzyme Biochemistry - What They Are and How They Work
Learn about what enzymes are and how they work to catalyze biochemical reactions and get examples of common enzymes.

Chemistry Terms Starting With the Letter E
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter E.

Alphabetical Chemistry Glossary - Dictionary
This is a comprehensive chemistry dictionary. Use this alphabetical chemistry glossary to look up the definitions of chemistry terms.

Nonmetals - Properties of Element Groups
Get information about the common properties of nonmetals and which elements are included in this periodic table group.

List of Elements in the Transition Metal Group
Here is a list of elements that are considered to be transition metals or transition elements and a summary of properties of this element group.

How To Memorize Chemistry
While chemistry is about understanding more than rote memorization, there are times when you need to commit information to memory. These methods work.

How To Learn Chemistry Fast - Plan and Tips
Do you need to learn chemistry fast? If you're serious, it's possible. Here are tips to help you succeed.

Why Does Coffee Make You Poop?
Does drinking a cup of coffee send you to the bathroom to poop as well as pee? Here's why that happens (and why some people are immune to the effect).

Why the Water in a Nuclear Reactor Glows Blue
The water in a nuclear reactor really does glow blue. Here's the explanation of how it works and a definition of Cherenkov radiation.

How Radioactive Is Fiesta Ware?
Old Fiesta dinnerware was made using radioactive glazes. Here's a look at just how radioactive the dishes are today.

C - Alphabetical Glossary of Science Terms
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter C.

Calculate Concentration of Ions in Solution
This worked example shows how to determine the concentration of individual ions in an aqueous solution from the total concentration.

Formula Mass (Weight) Versus Molecular Mass
Do you know the difference between formula mass and molecular mass? Here is a simple explanation.

Heat Capacity Final Temperature Example Problem
Here is how to calculate the final temperature of a substance when given the amount of energy used, the mass and initial temperature.

Acids and Bases - Calculating pH of a Strong Base
Here is an example of an acid/base problem to calculate the pH of a strong base. The example is for potassium hydroxide or KOH in water.

Molar Entropy Change of a Reaction - Example Problem
This example problem demonstrates how to find the entropy of reaction from standard molar entropy data on the reactants and products.

Acids and Bases - Neutralizing a Base with an Acid
This example demonstrates the method to calculate the amount of an acid of known concentration needed to neutralize a base of known concentration.

Chemistry Glossary Definition of Neutralization
Neutralization definition, as used in chemistry, chemical engineering, and physics.

Where and How to Start Studying Chemistry
How do I learn chemistry? If you have been asking yourself this question, then these tips and strategies are for you! Chemistry has a reputation as being a difficult subject to master, but there are steps you can take to improve your chances of success.

What Units Is the Metric System Based On?
Learn what units the metric system is based on, how the system works, and how to convert from one metric unit to another.

Soap Bubbles - How To Make Them Different Colors
Here's a recipe for pink or blue colored bubbles, based on disappearing ink, so the bubbles won't stain surfaces when they land.

Chemistry Glossary Terms Starting with the Letter P
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter P.

What Is the pH of the Stomach?
Your stomach produces hydrochloric acid, but do you know just how low your stomach pH gets or whether the acidity is constant? Here's the answer.

Specific Heat Capacity Definition
This is the definition of specific heat capacity in chemistry, along with its units and examples of representative values.

Chemistry 101 - What Is Chemistry?
Start learning chemistry with the basics. Learn what chemistry is, what chemists do, and why it's important to study chemistry.

Who is the Father of Chemistry?
Who is the Father of Chemistry? Here is a look at the best answers to this question and the reasons why each of these people might deserve the title.

Can You Drink Heavy Water? - Deuterium Oxide Safety
Heavy water consists of oxygen and the deuterium isotope of hydrogen. Here's a look at whether heavy water is radioactive and whether it is safe to drink.

Pierre Curie - Biography and Achievements
Pierre Curie is often overshadowed by his famous wife, Marie, yet he was an important scientist in his own right. Here's his biography.

Marie Sklodowska Curie - 1867 to 1934
Marie Sklodowska Curie was a Polish-born French scientist. She won the Nobel Prize twice and was famous for her work on radioactivity.

Is Carbon Dioxide Poisonous? - CO2 Toxicity
Carbon dioxide is a gas found in air, your bloodstream, and many products. Do you know whether it's poisonous? Get facts on carbon dioxide toxicity.

How to Celebrate Earth Day - Ideas
Wondering how to celebrate Earth Day? Here is a list of activities to show you care about the Earth and are aware of environmental issues.

What Is Earth Day? - Why We Have It
Find out what Earth Day is all about, when it is, and how it started. Get ideas for topics to study on Earth Day.

Everything You Need To Know About Earth Day
Are you wondering what Earth Day is, when it's celebrated, and what people do on Earth Day? Here are the answers to your Earth Day questions!

What Is the Difference Between Carbon-12 and Carbon-14?
Carbon-12 and carbon-14 are two isotopes of the element carbon. Here's an explanation of how they differ from each other.

How Is the Periodic Table Organized Today?
There's method to the arrangement of elements on the periodic table. Take a look at how the modern periodic table is organized.

What Is the Atomic Number?
The atomic number is one of the most important concepts in chemistry. Here's an explanation of what this number is and why it matters.

pH, pKa, Ka, pKb, and Kb Explained
Learn what pH, pKa, Ka, pKb, and Kb mean for acids and bases and the differences between the terms.

Ipso, Meso, and Peri Substitutions in Organic Chemistry
Learn what ipso, meso, and peri prefixes are in organic chemistry and see an example of these substitutions.

How To Grow Fructose Crystals
Grow sparkling clear crystals of fruit sugar or fructose with this simple recipe. Like regular sugar crystals, these are safe to eat!

How Much Oxygen Does One Tree Produce?
You've heard trees produce oxygen, but have you wondered how much oxygen one tree makes? Here are some calculations and an answer.

How To Make a Safe Glowing Lava Lamp
Make a safe glowing lava lamp using household ingredients. The lava can be recharged over and over again for hours of fun!

Partial Pressure Definition and Examples
This is the definition of partial pressure, along with examples as they relate to Dalton's law.

Ideal Gas Law Definition and Equation
This is the Ideal Gas Law definition as well the equation for this important chemistry relation.

Ideal Gas Partial Pressure Example Problem
This is an example demonstrating how to determine the partial pressure of a gas in a mixed system of gases.

Is Everything a Chemical? What Is and Is Not a Chemical
Chemicals aren't just substances found in a chemistry lab. Here's what makes something a chemical and the answer to whether everything is a chemical.

Convert Frequency to Wavelength Worked Example Problem
This example problem demonstrates how to find the wavelength of light from the frequency. This problem show how to calculate wavelength of the aurora.

What Is the Most Flammable Chemical?
If something is flammable it is capable of catching on fire. Do you wonder what material burns the best? Here's a look at the most flammable chemical.

What Are the 5 Traditional Elements?
There are 5 elements in many philosophies and traditions around the world. Here is a look at the 5 elements in Chinese, Japanese, Buddhist, Greek, Babylonian and alchemy.

Are There Any Undiscovered Elements?
Have you ever wondered if there are any undiscovered elements or how scientists find new elements? Here's the answer.

How to Use a Periodic Table
The periodic table of the elements contains useful information. Here is how to use a periodic table to gather information about the elements.

Energy and Pressure Sample Problem and Example
This example problem demonstrates how to determine free energy of a reaction at conditions that are not standard states.

Gibbs Free Energy Definition - Thermodynamics
This is the definition of Gibbs free energy in chemistry, as well as the equation for Gibbs free energy and whether the value is positive or negative.

Glossary Definition of Spontaneous Process
Spontaneous Process definition, as used in chemistry, chemical engineering, and physics.

Thermodynamics Definition - Chemistry Glossary
Thermodynamics definition, as used in chemistry, chemical engineering, and physics.

Closed System Definition
This is the definition of closed system as the term applies to thermodynamics in chemistry, physics, and engineering.

Definition of Isolated System in Chemistry
This is the definition of isolated system in chemistry or physics and how it is different from a closed system.

Entropy - Definition & Example in Chemistry
This is the definition of entropy as the term applies to chemistry, physics, and other sciences. An example of entropy in a system is given.

Free Energy Definition
This is the definition of free energy as the term is used in chemistry and other sciences.

Free Energy and Reaction Spontaneity Example Problem
This example problem demonstrates how to calculate and use changes in free energy to determine a reaction's spontaneity.

Ionic Bond - Chemistry Glossary Definition
This is the definition of an ionic bond in chemistry as well as examples of compounds that contain this type of chemical bond.

Types of Inorganic Chemical Reactions
Learn how to classify inorganic chemical reactions into one of these four general categories.

Ionic Compound Definition and Example
This is the definition of ionic compound along with examples of representative substances.

Converting Atmospheres to Pressure Unit Bars
This example problem demonstrates how to convert the pressure units bar (bar) to atmospheres (atm), related to the air pressure at sea level.

Converting Pounds Per Square Inch (PSI) to Pascals
This example problem demonstrates how to convert the pressure unit pounds per square inch (psi) to pascals (Pa).

Convert Pascals to Atmospheres Unit Conversion Problem
This example problem demonstrates how to convert the pressure units pascals (Pa) to atmospheres (atm). Pa is the SI unit of pressure.

Activation Energy - Calculation and Example Problem
This example problem demonstrates how to determine the activation energy of a reaction from reaction rate constants at different temperatures.

Disappearing Colors - Easy Bleach Project for Kids
Let kids see for themselves how bleach works with this easy disappearing colors experiment.

How To Make Homemade Silly String
Use chemistry to make homemade silly string or ribbon spray. All you need is yeast, peroxide, and a bottle.

Hydrogen Peroxide Shelf Life and Effectiveness
If you've poured hydrogen peroxide onto a cut and didn't get the fizz, your peroxide is now water. Take a look at the shelf life of hydrogen peroxide.

What Are Mood Rings Made Of? How Do They Work?
Mood rings have a stone or band that changes color in response to temperature. Here's a look at the liquid crystals in mood rings and how they work.

How Do Mood Rings Work? Thermochromic Crystals
Mood rings have a stone that changes color depending on your emotions. Learn how mood rings work.

Converting Cubic Inches to Cubic Centimeters
This example problem demonstrates how to convert cubic inches to cubic centimeters. CC is a metric unit of volume, while cubic inches is American.

Converting Millimeters to Centimeters Example Problem
This example problem illustrates the method to convert centimeters to meters.

Why Does the Atmosphere Exert Pressure on the Earth?
Have you ever wondered why the Earth's atmosphere exerts pressure? Here's the explanation for why air has pressure, rather than expanding into space.

Does Atmospheric Pressure Affect Humidity?
Does atmospheric pressure affect relative humidity? Here's a look at the factors that affect the answer.

Converting Pounds Per Square Inch or PSI to Atmospheres
This example problem demonstrates how to convert the pressure unit pounds per square inch (psi) to atmospheres (atm).

Canned Air Isn't Regular Air
Canned air isn't air, though it is canned. It's not even filled with a gas you normally find in air. Here is a look at the chemicals inside that can.

Make Natural Plastic From Dairy Products
See how to make plastic using dairy products. This is a simple chemical reaction using casein in milk to make a polymer.

Ways to Reduce Fluoride Exposure
Getting too much fluoride? There are several steps you can take to lower your exposure to fluoride.

Vitamins May Hurt Your Health
Your multivitamin may contain more or less nutrients than you think, plus may include some nasty contaminants.

How To Set Fire to the Rain - Fire Project
You can set fire to the rain! This special effect relies on a bit of chemistry to produce a spectacular result.

Atomic Bomb Cake Recipe
Bake and decorate a cake that looks like an atomic bomb explosion. It's easy (and not radioactive).

Top Ways to Fail a Chemistry Class
Avoid these mistakes to help you succeed in your chemistry class. Or, if you'd rather fail, here's what you need to do.

Alchemical Symbols of the Elements
Before modern element symbols can into use, alchemy symbols were used. See the symbols of the elements and learn how alchemists used them.

Singing Spoon Dry Ice Project
The singing spoon or screaming spoon is a dry ice project. Here's how to perform the singing spoon project and an explanation for how it works.

Avogadro's Number - Calculate the Mass of a Single Atom
Avogadro's number is the number of atoms or molecules in a mole. Use the number to determine the mass of a single atom based on its atomic mass.

Avogadro's Number (Chemistry Glossary Definition)
Avogadro's number is used in chemistry calculations. Here is a definition of Avogadro's number and its value.

How to Convert Grams to Moles - Step by Step Instructions
Many chemical calculations require the number of moles of a material, but how do you measure a mole? One common way is to measure the mass in grams and convert to moles. Converting grams to moles is easy with these few steps.

Acid Dissociation Constant - Ka Definition
This is the definition of the acid dissociation constant, along with examples and an explanation of how the Ka value is used to predict acid strength.

Glow in the Dark Geode
Glow in the Dark Geode. Chemistry.

Luminol Chemiluminescence
Luminol Chemiluminescence. Chemistry.

Glowsticks
Glowsticks. Chemistry.

Glowing Mountain Dew
Glowing Mountain Dew. Chemistry.

Glowing Mentos Fountain
Glowing Mentos Fountain. Chemistry.

Glow in the Dark Slime
Glow in the Dark Slime. Chemistry.

Glowing Fluorescent Dye
Glowing Fluorescent Dye. Chemistry.

Glowing Drink
Glowing Drink. Chemistry.

Glow in the Dark Ice
Glow in the Dark Ice. Chemistry.

Glowing Crystal Snowflake
Glowing Crystal Snowflake. Chemistry.

How to Read Invisible Messages
It's easy to write a message using invisible ink, but trickier to read the message. Here are tips for revealing an invisible ink secret message.

Why Is Fire Hot? How Hot Is It?
Learn what fire is, why it's hot, and exactly how hot fire is according to the part of the flame being examined.

Acids and Bases - Table of Common Ka values
This is a useful table of Ka and pKa equilibrium constant values of common weak acids and their formulas.

Purify Alcohol or Denatured Ethanol Using Distillation
Denatured alcohol is toxic, but you can purify denatured, contaminated or impure alcohol using distillation. Here's how to do it.

How Baking Soda Works - Cooking Chemistry
Baking soda helps make baked goods rise. Here's a look at the cooking chemistry behind how baking soda works.

What Is a Reversible Reaction? Definition & Example
This is the definition of reversible reaction in chemistry, with the general equation for the reaction and examples.

Law of Chemical Equilibrium (Definition)
This is the definition of the Law of Chemical Equilibrium definition, as used in chemistry, along with the equation used to calculate it.

Dynamic Equilibrium Definition
This is the definition of dynamic equilibrium as the term is used in chemistry and other physical sciences.

How to Make Red Cabbage pH Indicator
Make pH indicator solution using cabbage. Red cabbage juice indicator is easy to make, exhibits many colors, and can be used to make pH paper strips.

How to Read a Meniscus in Lab Measurements
The meniscus is the curve seen at the top of a liquid in response to its container. Here's how to read a meniscus in chemistry.

Chemistry Glassware - Names and Uses
Can you identify chemistry glassware? Here's what common lab glassware looks like and an explanation of when to use it.

Density of an Ideal Gas Example Problem
The ideal gas law can be used to find the density of an ideal gas at a known pressure, temperature and volume. This example problem shows what to do.

Ideal Gas Example Problem With Unknown Gas
This is an example of a problem where element or compound is unknown, but the mass and gas properties pressure, volume and temperature are known.

Chemistry
Chemistry.

Nucleic Acids - Structure and Function
Learn about the nucleic acids DNA and RNA, including their chemical structure and biological functions.

Chemistry Abbreviations Starting with Letters J or K K
This is a collection of chemistry and chemical engineering abbreviations and acronyms beginning with the letters J and K.

Chemistry Abbreviations Starting with the Letter D
Here is a list of common abbreviations and acronyms beginning with the letter D used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with H and I
Chemistry abbreviations and acronyms are use in all fields of science. Here are abbreviations and acronyms beginning with the letters H and I.

Chemistry Abbreviations Starting with the Letter G
See abbreviations and acronyms beginning with the letter G used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with the Letter F
Find common abbreviations and acronyms beginning with the letter F used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with the Letter E
Looks up abbreviations and acronyms beginning with the letter E used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with the Letter C
This collection offers common abbreviations and acronyms beginning with the letter C used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with the Letter B
Here are common abbreviations and acronyms beginning with the letter B used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with the Letter A
Chemistry abbreviations and acronyms are common in all fields of science. Here are abbreviations and acronyms beginning with the letter A.

Chemistry Abbreviations Starting with the Letter L
Get abbreviations and acronyms beginning with the letter L used in chemistry and chemical engineering.

Chemistry Abbreviations Starting With the Letter M
Look up abbreviations and acronyms beginning with the letter M used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with N and O
Look up common chemistry and chemical engineering abbreviations and acronyms beginning with the letters N and O.

Chemistry Abbreviations Starting with the Letter R
Look up common abbreviations and acronyms beginning with the letter R used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with the Letter P
Look up common chemistry abbreviations and acronyms beginning with the letter P.

Chemistry Abbreviations Starting with the Letter Q
Chemistry abbreviations and acronyms are used in science. Get abbreviations and acronyms beginning with Q used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with the Letter S
See common abbreviations and acronyms beginning with the letter S used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with Letters U and V
Look up common abbreviations and acronyms beginning with the letters U and V used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with W, X, Y, Z
Look up chemistry abbreviations and acronyms beginning with the letter W, X, Y, or Z with this handy alphabetical list.

Chemistry Abbreviations Starting with the Letter T
Look up chemistry and chemical engineering abbreviations and acronyms beginning with the letter T.

Atomic Number 3 Element Facts
Learn about the element that is atomic number 3 on the periodic table, including fun facts, uses, and history.

Supercool Any Soft Drink or Soda into Instant Slush
Cool off and amaze friends by making any soft drink or soda turn into a slushy on command. Here's how to do this fun supercooled science project.

How To Preserve Homemade Crystals
Once you have a beautiful crystal, you want to preserve it. Learn about preserving crystals and get ideas about ways to keep your treasures.

What Is the Scientific Method? (Basic Steps)
Science fair and research projects apply the scientific method. Here's an explanation of the scientific method and how the scientific method is used.

Chemistry Glossary Terms Starting With the Letter X
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter X.

Chemistry Glossary Terms Starting With the Letter T
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter T.

Chemistry Glossary Terms Starting with the Letter S
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter S.

Chemistry Glossary Terms Starting with the Letter M
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter M.

Chemistry Words That Start With L
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter L.

Chemistry Glossary Terms Starting With the Letter N
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter N.

Chemistry Glossary Terms Starting With the Letter B
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter B.

Chemistry Glossary Terms Starting with the Letter R
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter R.

Chemistry Glossary Terms Starting with the Letter D
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter D.

Chemistry Glossary Terms (Starting with "H")
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter H.

Chemistry Glossary Terms (Starting with "K")
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter K.

Chemistry Glossary Terms Starting with the Letter G
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter G.

What Are CGS Units?
This is the definition of CGS Units along with examples.

Cetane Number Definition
This is the definition of cetane number or CN in chemistry and engineering.

Cation Definition and Examples
Cation definition, as used in chemistry, chemical engineering, and physics, along with examples.

Cathode Definition
Definition of cathode in chemistry and how to identify it.

Catenation Definition and Examples
This is the definition of catenation along with examples of its use in chemistry.

What Is Capillary Action?
This is the definition of capillary action and an explanation of how it works.

Calorie Definition in Chemistry
Calorie definition, as used in chemistry, chemical engineering, and physics.

Bonds Definition and Examples in Chemistry
Bonds definition, as used in chemistry, chemical engineering, and physics, along with examples of types of chemical bonds.

Bitumen Definition
This is the definition of bitumen along with examples of where you might find it.

What Is a Block Copolymer?
This is the definition of Block Copolymer.

Atomic Volume Definition - Chemistry Glossary
Atomic volume definition, as used in chemistry, chemical engineering, and physics.

Chemistry Words That Start With I
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter I.

What Is Ionic? - Chemistry Glossary Definition
Ionic definition, as used in chemistry and other physical sciences.

Ideal Gas Definition
Ideal Gas definition or perfect gas definition.

Chemistry Words That Start With O
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter O.

F - Glossary of Chemistry Terms
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter F.

Foam Definition and Examples
This is the definition of foam along with examples of the term as used in chemistry.

What Is Elasticity?
This is the definition of elasticity and example of an elastic material.

What Is the Definition of Effervescence in Chemistry?
Effervescence definition, as used in chemistry, chemical engineering, and physics.

Chemistry Glossary Terms Starting With the Letter J
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter J.

Chemistry Glossary Terms Starting With the Letter Q
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter Q.

Chemistry Terms - U (Ultra High Frequency to Useful Work)
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter U.

Universal Indicator Definition
This is the definition of universal indicator and a look at the color range for pH values.

Chemistry Words That Start With V
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter V.

Chemistry Glossary Terms Starting With the Letter W
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter W.

Chemistry Glossary Terms (Starting with "Y")
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter Y.

Chemistry Glossary Terms Starting With the Letter Z
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter Z.

Alkene Definition in Chemistry
Alkene definition, as used in chemistry, chemical engineering, and physics, along with examples.

What Is Alkaline?
This is the definition of alkaline or basic in chemistry and the pH level that defines alkalinity.

What Is Aliphatic Amino Acid?
This is the definition of aliphatic amino acid along with examples of representative molecules.

Metabolic Pathways - Most ATP Per Glucose Molecule?
Know how many ATP are produced per glucose molecule by metabolic pathways: Krebs cycle, fermentation, glycolysis, electron transport and chemiosmosis.

What Is an Adulterant? (Definition)
This is the definition of an adulterant in chemistry, with examples of how the term is used.

Why Aerate Wine? - Science Behind Letting Wine Breathe
Learn about the science behind aerating wine, as well as when you should and shouldn't let a wine breathe.

What Temperature Does Fahrenheit Equal Celsius?
Here is the answer to what temperature Fahrenheit equals Celsius and an explanation of how to solve the problem.

Temperature Definition - Chemistry Glossary
This is the definition of temperature in science, with examples of how to use the term correctly.

Celsius Versus Centigrade Temperature Scales
Learn about the difference between the Celsius and centigrade temperature scales and how they are similar in most respects.

Understand How Detergents Work
Learn about the chemistry behind the cleaning power of detergents, including how surfactants work and the types of molecules found in detergent.

Science Magic Tricks that Will Wow Your Friends
You can use science to perform magic tricks and enhance any magic show. These tricks are great for use as science projects or just for fun.

Science Magic Tricks that Will Wow Your Friends
You can use science to perform magic tricks and enhance any magic show. These tricks are great for use as science projects or just for fun.

Science Magic Tricks that Will Wow Your Friends
You can use science to perform magic tricks and enhance any magic show. These tricks are great for use as science projects or just for fun.

What Is the Most Electronegative Element?
Electronegativity measures an element's ability to form chemical bonds. Here is the most electronegative element and the reason why it is so high.

Electronegativity and Ionic Bond Example Problem
This example chemistry problem shows how to determine whether or not a chemical bond is ionic based on the electronegativity values of the elements.

Osmolarity and Osmolality in Chemistry
Osmolarity and osmolality are units of concentration based on osmoles. Learn what osmolarity and osmolality are and how to express them.

Why Carbon Dioxide Isn't an Organic Compound
If organic chemistry is the study of carbon, then why isn't carbon dioxide an organic compound? Here's the answer to this chemistry question.

What Are the Five Branches of Chemistry?
Here is a list of the 5 main branches of chemistry, along with an explanation of what each of the branches studies.

What Is the Difference Between Organic and Inorganic?
Organic and inorganic compounds are the basis of chemistry. Here is the difference between organic and inorganic, plus examples of each type.

Organic Compound Names and Formulas (A)
This is a list of organic compound names and formulas with names starting with the letter A. Easily find organic starting with other letters.

Natural Mosquito Repellent Recipe
It's easy to make your own natural mosquito repellent. You control what goes into the project so you won't need to worry about any unwanted chemicals.

Number of Atoms in a Drop of Water
Have you ever wondered how many atoms are in a drop of water? Here's how to calculate the number of atoms and molecules in a single water droplet.

Why You Shouldn't Mix Bleach and Vinegar
Mixing bleach and vinegar is a bad idea because it produces toxic chlorine gas. Here's what you should know about mixing these chemicals.

Common Household Chemicals - Dangerous Mixtures
Mixing these common household chemicals can be extremely dangerous. Learn which chemicals don't mix and what happens if they do.

Why the Formation of Ionic Compounds Is Exothermic
Learn why the formation of ionic compounds is exothermic (gives off heat) by understanding the relationship between electrons, energy, and bonds.

Organic Chemistry Hydrocarbon Nomenclature Prefixes
This table lists the prefixes and suffixes used in organic chemistry nomenclature to represent the number of carbon atoms in a hydrocarbon chain.

Organic Chemistry Introduction - What Organic Chemists Do
Learn what organic chemistry is, why it is important, and what organic chemists do. It's more than just the study of carbon!

Hydrocarbon Definition and Examples
Find out the definition of hydrocarbon, a term commonly used in chemistry, chemical engineering, and physics.

What Is the State of Matter of Fire or Flame?
What is the state of matter of fire or flame? Is it a liquid, solid, or gas? Learn the answer to this question and about the chemistry of fire.

Make Fireballs You Can Hold in Your Hand
If you can find a t-shirt and some lighter fluid, you can make small fireballs. These fireballs are re-useable and you can hold them in your hand.

Why Fossilized Shark Teeth Are Black
Usually when you see shark teeth they are black, yet teeth in living sharks are white. Here's the explanation behind why shark's teeth turn black.

How Fluoride Works to Prevent Tooth Decay
Fluoride is the fluorine ion added to toothpaste and dental rinse to help protect your teeth from cavities. Here's how fluoride works.

Carboxyl Group Definition and Examples in Chemistry
This is the definition of carboxyl group along with its structure and chemistry examples of compounds that contain this chemical species.

Types of Chemical Bonds in Proteins
Multiple types of chemical bonds hold proteins together and bind them to other molecules. Here are the bonds responsible for protein structure.

Why Do Leaves Change Color in the Fall?
Find out why leaves change color in the fall. Learn about the different pigments found in leaves and how bright autumn foliage is produced.

How To Make Water from Hydrogen and Oxygen
Learn how to make water from hydrogen and oxygen, including the chemical equation and an explanation of why we don't make drinking water this way.

Hydrogen Facts - Element 1 or H
Hydrogen is the first element on the periodic table. This is a fact sheet for the element hydrogen, including its characteristics and physical properties, uses, sources and other data.

Antoine-Laurent Lavoisier - Biography
Lavoisier is considered the Father of Modern Chemistry. He pioneered the use of quantifying results of experiments to support theory.

Atomic Number 8 Element Facts
Learn about the element that is atomic number 8 on the periodic table. Get history and interesting element facts.

What Causes the Aurora Borealis Colors?
Learn how the aurora works and what makes the colors of the northern and southern lights, including which element is most responsible for the aurora.

How To Make Homemade Drain Cleaner
Learn how to make homemade drain cleaner to unclog your drain cheaply and effectively. Here are two simple recipes based on chemistry.

How To Make Homemade Lye Using Two Ingredients
Learn how to make homemade lye that you can use for crafts and science projects. You only need two readily available ingredients!

Why Oil and Water Don't Mix
Learn the chemistry explanation for why oil and water don't mix and how to force immiscible liquids to interact with each other.

Why Lithium Batteries Catch Fire
Learn why lithium batteries catch fire and sometimes explode and how to minimize the risk of an accident.

Can You Drink Too Much Green Tea?
Learn about the toxic health effects of drinking too much green tea and how much it's safe to drink in a day.

Difference Between Commonly Confused Chemistry Terms
Learn about the difference between two important scientific concepts, especially those relating to chemistry and physical science.

Difference Between Commonly Confused Chemistry Terms
Learn about the difference between two important scientific concepts, especially those relating to chemistry and physical science.

Drowning in Freshwater versus Saltwater
Drowning in freshwater is different from drowning in saltwater. More people drown in freshwater because of the chemistry. Here's how it works.

How Do Chemical Weapons Smell?
Do you think chemical weapons smell terrible? You might be surprised to learn many are odorless or smell pleasant.

List of Radioactive Elements
This is a list or table of elements that are radioactive. This list has the element name, most stable isotope and half-life of most stable isotope.

Basic Metals Element Group Properties
Most of the chemical elements are metals of one variety or another. Learn about some of the properties common to this large element group.

Drugs and Medicine Made from Plants
Many drugs come from botanical sources. This is a list of drugs made from plants, the botanical names of the sources, and the medical uses.

How To Dry Nails Fast Using Science
The internet is full of tips that supposedly dry your nails faster, but which ones actually work? Here's the answer, based on science.

Quick Review of Accuracy and Precision
Here's a quick review of the concepts of accuracy and precision, with examples of what accurate and precise are in terms of measurements.

Are Sparklers Safe on Cakes?
Nothing makes a cake more festive than adding a glittering sparkler to the top, yet how safe is it to put a firework on your food? Here's the answer.

Stink Bomb Recipes - How to Make Your Own
Stink bombs smell terrible, but they are also fun. Here are instructions for how to use everyday materials to make your own stink bombs.

Dissolve Styrofoam or Polystyrene in Acetone
Dissolving Styrofoam or other polystyrene in acetone is a cool demonstration of the solubility of the plastic in an organic solvent.

Homemade Stink Bomb Recipe and Science
Make your own homemade stink bombs using this easy recipe. The stink bombs are as smelly as ones from the store yet are made from common ingredients.

Pranks and Practical Jokes Using Science
Learn how to make stink bombs, color someone's urine, change the color of coins, and more with this collection of science pranks.

Island of Stability - Discovering Superheavy Elements
Learn how the island of stability may help us identify new superheavy elements that may last long enough to be used for practical applications.

Neutron Definition in Chemistry
This is the definition of a neutron in chemistry and an explanation of its composition and electrical charge.

Proton Definition - Chemistry Glossary
This is the definition of a proton as the term is used in chemistry and physics, and a look at its electrical charge.

What Are the Essential Amino Acids?
This is an explanation of what essential amino acids are and a list of the essential amino acids for humans.

How Cold Does Ice Get With Salt?
Adding salt to ice lowers its temperature. Here's a look at how much colder the ice gets and why the phenomenon occurs.

Polonium Facts - Element 84 or Po
Get facts on the chemical and physical properties of the element polonium, which is element 84 with atomic symbol Po.

Rutherfordium Facts - Rf or Element 104 Facts
Get interesting facts on the chemical and physical properties of the element rutherfordium, which is Rf or element 104 on the periodic table.

Why Doesn't Vodka Freeze in the Freezer?
Why doesn't vodka freeze when you put it in the freezer? The answer relates to the chemical composition of vodka and freezing point depression.

Astatine Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element astatine, which is element 85 with symbol At.

Typical Flame Temperature for Different Fuels
This is a list of flame temperatures for various common fuels. Adiabatic flame temperature for common gases in air and oxygen are given.

Heat Capacity Definition in Chemistry
This is the definition of heat capacity in chemistry, along with example values and units used to express it.

Why Do You Add Salt to Boiling Water?
Why do you add salt to boiling water? There are a couple of answers to this common cooking question. Here's a look at the reason for salting water.

Does Hard Water Boil at a Higher Temperature?
Does hard water boil at a higher temperature than normal water? Here's the answer to the question and the explanation behind it.

Simple Water Science Magic Tricks
Use science to perform some simple water magic tricks. Get water to change colors and forms and to move in mysterious ways.

Simple Water Science Magic Tricks
Use science to perform some simple water magic tricks. Get water to change colors and forms and to move in mysterious ways.

Easy Maple Syrup Crystals
Maple syrup crystals have a more complex flavor than sugar crystals or rock candy. Here's how to make the crystals.

What Is Carnauba Wax? - Chemical Composition
Carnauba wax is an ingredient in many foods and household products. Here's what carnauba wax is made of and the properties that make it useful.

Temperature Conversion Table - Kelvin Celsius Fahrenheit
This temperature conversion table shows important values on the Kelvin, Celsius, and Fahrenheit temperature scales.

If I Leave My Goldfish in the Dark, Will it Turn White?
Find out whether your goldfish will turn white if you leave it in the dark long enough and how fish food affects color.

How Rust Works - Chemical Reaction and Colors
Iron and steel can get a red coating called rust. Learn about the chemical composition of rust and how it forms and can be prevented.

Do You Burn More Calories When You Think Hard?
Find out how many calories you burn when thinking and how it compares with the energy expended by physical exercise.

How Lactose Free Milk Is Made
Have you ever wondered how the lactose is removed from lactose-free milk? Here's an explanation of the process and how you can do it yourself.

Why Atoms Form Chemical Bonds With Each Other
Have you ever wondered why atoms form chemical bonds with other atoms? Here's the scientific reason and an explanation of stability.

How Amino Acid Chirality Works
Learn about amino acid chirality, which configuration is found naturally, and how enantiomers are named.

Amino Acids Characteristics and Structures
Learn about the characteristics and structures of the amino acids. Get the three-letter abbreviations and learn how amino acids are categorized.

Make Colored Easter Eggs Using Natural Dyes
You can use safe, natural ingredients to make natural dyes to color Easter eggs. This is a fun and easy for the whole family to try this holiday season.

10 Facts About the Element Sodium
Sodium is an abundant element that is essential for human nutrition and important for many chemical processes. Here are 10 interesting facts about sodium.

How To Make Game of Thrones Wildfire
Game of Thrones fans can make homemade wildfire that burns with green flames. Sorry, but you can't melt stone with it. It's better this way.

Atomic Number 13 - Interesting Aluminum Facts
Learn about the element that is atomic number 13 on the periodic table. Here is a collection of interesting facts and trivia about aluminum.

What Date Is Earth Week?
Find out what date Earth Week is celebrated and what the holiday is all about. Get ideas for ways to honor Earth Week.

Food Additives - Names Starting with A
Food additives improve a quality of a product, like flavor or color. This is a list of common food additives having names starting with the letter A.

Mercury Alchemy Symbol - Hydrargyrum
Learn about the mercury alchemy symbol, how it got its shape, and what it means.

Ductile - Definition and Examples
This is the definition of ductile or ductility, with examples of materials that are ductile as well as those which are not.

Chemistry Vocabulary - Definitions of Chemistry Terms
Look up words in this online dictionary. This is a list of important chemistry vocabulary terms and their definitions.

How Does Borax (Sodium Borate) Clean?
Borax is the common name of sodium borate decahydrate. Learn the chemistry of borax, how it cleans, and how to use it safely.

Anhydrous Definition and Examples
This is the definition of anhydrous as the term is used in chemistry and other sciences and examples of substances that are considered anhydrous.

The Chemistry and History of Silly Putty
Learn about the history and properties of silly putty and how to make silly putty yourself.

How to Make Homemade Silly Putty - Recipes
Learn how to make silly putty yourself with these silly putty recipes. Page 2.

11th Grade High School Chemistry Topics
High school chemistry is usually offered during 11th grade as Chemistry 11. This is a list of Chemistry 11 or 11th Grade high school chemistry topics.

Element Abundance of the Universe
Learn what the most abundant element in the universe is, the amount of other elements, and how the composition of the universe changes over time.

What Is a Molecule? - Definition and Examples
The terms molecule, compound, and atom can be confusing! Here's an explanation of what a molecule is with some examples of common molecules.

Human Perspiration Chemical Composition
Human perspiration is mainly water. Here's a look at the chemical composition of perspiration and the factors that affect it.

What Is Matter? - Definition in Chemistry
This is the definition of matter, as the word is used in science, along with examples of things that are and are not matter.

How To Walk on Water - Fluid Science Experiment
Try a fun science experiment that let's you walk (or at least run) on water by turning water into a non-Newtonian fluid.

Wedge and Dash Projection - Definition and Example
This is the chemistry definition of a wedge and dash projection, with an example structure showing wedge-and-dash notation.

Damascus Steel Facts - How It Got Its Name and How It's Made
Learn about ancient and modern Damascus steel and how this metal is formed.

What Is a Mole Ratio? - Chemistry Definition and Example
This is the definition of mole ratio of a chemical reaction, with examples of how to calculate and use the value.

Simplest Formula Definition
This is the definition of simplest formula in chemistry along with examples.

10 Facts About Ribonucleic Acid (RNA)
RNA or ribonucleic acid is used to translate instructions from DNA to make proteins in your body. Here are 10 interesting and fun facts about RNA.

How Much Weight Can You Gain in a Day?
Have you ever wondered if there is a limit to how much weight you can gain in a day, no matter how many calories you eat?

What Courses Do Chemical Engineering Students Take?
Are you interested in studying chemical engineering? Here's a look at some of the courses chemical engineering students are expected to take in college.

How To Pull an All Nighter
So you need to pull an all nighter? Take it from someone who has been there and done that. It's a hard thing to do. Here are tips and tricks to make the most of it, whether you're cramming for a test or have to get that lab report or problem set done before tomorrow.

Why Study Engineering? - The Top Reasons
Engineering is one of the most popular and potentially profitable college majors. If you're looking for reasons to study it, here you go!

Engineering Branches
Engineering encompasses several disciplines. Here is a summary of the main branches of engineering.

Fireworks Periodic Table of the Elements
Click on an element symbol in this special periodic table to learn about its function in fireworks and other types of pyrotechnics.

Is It Safe To Drink Urine?
If you've ever wondered whether it's safe to drink urine, here's the answer from a scientific standpoint.

Organizing a Tour of the Nevada Nuclear Test Site
The Nevada Test Site is the location where the United States conducting atomic testing. Did you know you can visit the Nevada Test Site, now known as the Nevada National Security Site? Here is how to take the tour.

Oppenheimer and Groves at the Trinity Test
This photo shows J. Robert Oppenheimer (light-colored hat with foot on rubble), General Leslie Groves (in military dress to Oppenheimer's left), and others at ground zero of the Trinity test. Page 9.

Trinitite or Atomsite or Alamogordo Glass
Trinitite, also known as atomsite or Alamogordo glass, is the glass produced when the Trinity nuclear bomb test melting the ground of the desert near Alamogordo, New Mexico on July 16, 1945. Most of the mildly radioactive glass is light green, although other colors are found. Page 7.

Trinity Crater
This is an aerial view of the crater produced by the Trinity test. Page 4.

Trinity Explosion
This is one of the very rare color photographs taken of the Trinity explosion.

Trinity Fallout Diagram
This is a diagram of the radioactive fallout produced as a result of the Trinity test. Page 6.

Trinity Ground Zero
This is a photo of two men in the Trinity crater at Ground Zero, following the explosion. Page 5.

Trinity Nuclear Explosion
This is a famous photo of the Trinity nuclear test. Page 2.

Trinity Site National Historic Landmark
The Trinity Site Obelisk, located at the White Sands Missile Range outside of San Antonio, New Mexico, is on the U.S. National Register of Historic Places. Page 8.

Trinity Test Basecamp
This was the base camp for the Trinity test. Page 3.

What Is Soap Made of and How Does It Clean?
Have you ever wondered how soap cleans? Here's an explanation of how soap works and an introduction to saponification, surfactants and emulsifiers.

What Is Mole Day? - Date and How to Celebrate
Have you heard about Mole Day? Here's a look at what Mole Day is, when it is observed, and what you can do to celebrate this chemistry holiday.

Easy Science Fair Project Ideas
Science fair projects don't have to be hard or complicated. Here is a collection of ideas of easy science fair projects you can do.

Common Chemicals and Where to Find Them
This is a list of common chemicals and where you can find them or how you can make them.

Ideas for Kindergarten Science Fair Projects
Kindergarten science projects give kindergarten students the opportunity to explore science by making observations and predictions based on the observations. Concepts should be easy to understand and materials used in the science projects should be non-toxic and easy for small hands to manage. Here are some examples of kindergarten science projects.

List of Poisons - Relative Toxicity of Chemicals
This is a list or table of chemicals that can kill you. Some of these poisons are common and some are rare. Some you need in order to live, while others you should avoid at all costs.

What Are Some Jobs in Chemical Engineering?
Are you interested in types of jobs you could get with a degree in chemical engineering? Here are careers requiring a bachelors or masters degree.

Preschool Science Projects and Activites Ideas
Preschool is an excellent time to introduce kids to science. There are lots of great science projects you can do with preschool students that allow them to ask and answer questions and gain an appreciation for science. Here are some ideas to get you started.

1st Grade Science Fair Project Ideas
Get ideas for 1st grade science fair projects. These are experiments and topics suitable for grade school level science fair projects around the 1st grade level.

Nepetalactone Cycloalkane in Catnip
Learn about nepetalactone, the cycloalkane that is the chemical in catnip that has an effect on cats, people and other animals.

Science Fair Project Ideas for 11th Grade Students
Find an idea for a 11th grade science fair project or a science project targeted at the high school education level.

Ideas for 12th Grade Science Fair Projects
Find an idea for a 12th grade science fair project or a science project targeted at the high school senior level.

2nd Grade Science Fair Project Ideas
Get ideas for 2nd grade science fair projects. These are experiments and topics suitable for grade school level science fair projects.

What Is the Importance of Chemistry?
What is the importance of chemistry? Why would you want to learn about chemistry? Chemistry is the study of matter and its interactions with other matter and energy. Here's a look at the importance of chemistry and why you should study it.

Fun Science Facts
Amaze yourself and your friends with these science facts! This is a collection of fun and interesting science facts.

Chemistry Jokes, Puns, and Riddles
Read funny chemistry jokes, puns, and riddles and find other chemistry humor.

Importance of Chemistry in Everyday Life
Have you ever wondered about the importance of chemistry in everyday life? This is a question you may ask yourself if you're taking chemistry. Otherwise, finding an answer is one of the most common chemistry homework assignments. Here's a look at why chemistry is important.

Grow Crystal Spikes in the Sun
Grow spikes of epsom salt crystals quickly and easily.

Make Edible Fake Barf
Learn how to make edible fake barf, vomit, or puke. Use it for parties or gags or whatever people use fake vomit for.

Make Fake Wounds
These are instructions for making non-toxic fake wounds.

How To Choose a Chemistry Set
Educate yourself about the safety considerations and skill levels of the different types of chemistry sets.

Glowing and Flaming Cocktail Recipes
These easy recipes are for glowing and flaming cocktails. The cocktails get their effect from safe chemicals in ingredients found in your kitchen or bar.

How Do Stain Removers Work?
Stain removers are chemical agents that remove stains or sometimes leave the stain intact but make it invisible. Here's a look at how stain removers work.

Liquid Nitrogen Activities and Projects
Are you looking for an activity or project with liquid nitrogen? This is the most extensive list of liquid nitrogen ideas you're likely to find, plus you're welcome to add your own suggestions.

What Is Chemical Engineering?
Are you confused about how chemical engineering differs from pure chemistry or other types of engineering? Here's an explanation of what chemical engineering is and what chemical engineers do.

Finding the Molecular Mass - Sample Problem
The molecular mass of a molecule is the total mass of all the atoms making up the molecule.This example problem illustrates how to calculate molecular mass.

Molecular Mass Calculations - Worked Example Chemistry Problems
Use these worked example chemistry problems to help practice calculating molecular mass from the molecular formula. Page 2.

Chemistry Study Tips
Chemistry has a reputation as a hard science to master, yet if you follow simple steps, it's not that bad. Here are some homework and study tips to help you succeed in chemistry.

Increasing Atomic Number Doesn't Always Increase Mass
Learn why sometimes increasing the atomic number of an element doesn't increase its atomic mass.

How to Find Original Science Fair Project Ideas
Do you want to come up with a truly original science fair project that is all your own and not one out of a book or used by another student? Here's advice that may help stimulate your creativity.

Rock Tumbler Basics and Buying Guide
Are you considering getting a rock tumbler but not sure which one to choose? This guide will help you learn more about the different types of rock tumblers and get tips on choosing the best tumbler for your needs.

Lab Accidents and Stories - Dangerous Practices
Do you have any tales to tell of lab experiments gone very wrong or lab accidents you have witnessed? What is the most dangerous thing you have ever seen someone do in a lab? Here's your chance to share.

Famous Chemists
This is an alphabetical index of famous chemists who have made outstanding contributions to the study of chemistry.

Interpreting Statements in Scientific Papers
Interpreting Statements Made in Scientific Papers - What Those Research Phrases Really Mean - Chemistry Humor

Molecules with Strange Names
Chemists have a sense of humor, especially when it comes to names of molecules. Here is a list of molecules with especially strange or funny chemical names.

Protein and Polypeptide Structure
Learn about the conformation levels of protein and polypeptide structure.