Chemistry Sitemap - Page 7 2016-09-26

Chemical Engineer - Job Profile & Career Information
This is a job profile and career information for a chemical engineer, including salaries and educational requirements..

Cool Science Fair Project Ideas List
Some science fair projects are just more cool than others. Here's a look at some cool science fair project ideas as well as a collection of reader-submitted cool project ideas.

Instructions on How to Make a Gentle Soap
These are the instructions for making a gentle, handmade soap for the hands or face.

Make Non-Toxic Dry Ice Smoke or Fog
Learn how to make your own nontoxic smoke and fog effects using dry ice and hot water. No smoke machine required!

How To Make Invisible Ink With Baking Soda
Learn how to make invisible ink using baking soda. Heat or grape juice is used to reveal the message.

What Is Muriatic Acid?
Here is a look a what muriatic acid is, where you can find it, and the uses of muriatic acid.

Make Non-Toxic Glue From Milk
Use common kitchen ingedients to make nontoxic glue or paste.

Edible pH Indicators Color Chart
This is a color change chart for edible acid-base or pH indicators.

Mars Curiosity Rover
NASA's Mars Curiosity Rover is a robot that is part geologist and part chemist. Page 168.

Curiosity Rover Touchdown on Mars
This is an artist's conception of what it would look like if you could view the touchdown of the Mars Curiosity Rover on August 5, 2012. Page 170.

Mars Curiosity Science Experiments
This is a look at some of the scientific equipment on the Mars Curiosity Rover. Curiosity picks up where other rovers left off, looking much more closely at rock and soil samples for organic molecules. Page 169.

Mars Reconnaissance Orbiter Photographs Curiosity and Parachute
The Mars Reconnaissance Orbiter caught this photo of Curiosity and her parachute as the rover descended toward the surface of Mars. Page 172.

Bar Magnet
A bar magnet is a common type of magnet. Page 173.

Blue Moon
This is a picture of the

Chemist with Lab Coat and Goggles
Chemists wear lab coats and safety glasses or safety goggles. Page 143.

Flask of Green Liquid
A gloved hand swirls an Erlenmeyer flask containing a green liquid. Page 144.

Molecular Model
Molecular model kits can be used to link atoms and construct molecules. Page 142.

Nobel Prize Medal
This is the front side of a Nobel Prize medal in Physiology or Medicine awarded in 1950. Both sides of the medal are the same, showing the image of Alfred Nobel and the years of his birth and death. Page 145.

pH Indicator Rainbow - Red Cabbage Juice
These test tubes show the range of colors exhibited by red cabbage juice when it is used as a pH indicator. Page 154.

Orange Liquid in a Flask - Old Nassau Reaction or Halloween Reaction
This is an orange liquid in an Erlenmeyer flask. Page 155.

Crystals Forming in a Saturated Solution
These are crystals of tetratolylporphyrin forming as a saturated solution cools. Page 156.

Magic Rocks in Space
See how a chemical garden grows in space compared with on Earth. These photos show the difference between a silicate chemical garden grown on the International Space Station and one grown in full gravity on Earth. Page 157.

Science Fair Volcano
This boy won a blue ribbon at the science fair with his volcano project. His model is very nice, but most science fair winners apply the scientific method to their science fair projects. Page 158.

Alpha Magnetic Spectrometer or AMS
The Alpha Magnetic Spectrometer or AMS is an experiment transported to the ISS via STS-134 on Endeavour. The purpose of the Alpha Magnetic Spectrometer is to measure cosmic radiation in hopes of finding unusual types of matter. Page 162.

Mylar Brand PET Foil
Mylar is one of the brand names for stretched polyethylene terephthalate (PET) film or foil. This type of polyester film is also known as BoPET (biaxially-oriented polyethylene terephthalate). Page 163.

SpaceX Dragon - Falcon 9
SpaceX Dragon - Falcon 9. Chemistry. Page 165.

SpaceX Dragon Falcon 9 Launch
SpaceX Dragon / Falcon 9 lifts off from Launchpad 40 at Cape Canaveral, Florida on May 22, 2012. Page 164.

Lab Notebook
A lab notebook is the primary permanent record of a researcher's laboratory work. Page 166.

Drinking Bird or Sipping Bird Science Toy
The drinking bird or sipping bird is a science toy that features a glass bird that dips its beak into water. Page 167.

4th of July Chemistry
There are a lot of chemistry projects you can do to celebrate the 4th of July. Page 133.

Ares I-X Rocket
This is a photograph of the completed Ares I-X test rocket in the Vehicle Assembly Building (VAB) at Kennedy Space Center in Florida. Page 124.

Ares I-X Test Rocket
This is the fully assembled Ares I-X test rocket in the Vehicle Assembly Building at Kennedy Space Center. The 327-ft rocket is the largest rocket ever constructed. Page 123.

Chemical Volcano Eruption
This chemical volcano creates a dramatic eruption with colored lava. Page 120.

Chemical Volcano
The baking soda and vinegar volcano is a classic science fair project demonstration and a fun project for kids to try in the kitchen. Page 118.

Chemistry Calculations
Chemistry calculations can be challenging, but they are easier if you consult worked examples and if you practice working different types of problems. Page 132.

Classic Baking Soda and Vinegar Volcano
Sam is pouring colored vinegar into the cone of the chemical volcano to make it erupt with colored lava. Page 119.

Discovery Launch STS-128
This is the launch of the space shuttle Discovery for STS-128 on August 28, 2009. Page 129.

Flasks Containing Liquids
This is a variety of flasks containing liquids. Page 121.

Fluids Integrated Rack (FIR)
The Fluids Integrated Rack or FIR is used on the Space Station to study phase changes, interfaces, bubbles, colloids, gels, and other fluid phenomena. Page 130.

Go Ares I-X Rocket Banner
This is a banner the NASA engineers have posted by the Ares I-X rocket in the Vehicle Assembly Building at Kennedy Space Center (August 23, 2009). Page 125.

Materials Science Research Rack - MSRR-1
The Materials Science Research Rack (MSRR-1) will be used on the Space Station to study metals, glasses, ceramics, and crystals. Page 131.

Space Shuttle Discovery on the Launchpad
This is the space shuttle Discovery on the launchpad at dawn on August 24, 2009. Page 127.

Space Shuttle Discovery
This is the space shuttle Discovery on the launchpad for STS-128 on August 24, 2009. Page 128.

Space Shuttle Discovery at Sunrise
This is the space shuttle Discovery at sunrise on August 24, 2009 on the launchpad at the Kennedy Space Center. Page 126.

Water Droplets
Water is one of the most important molecules in chemistry, particularly biochemistry since water is essential for life. Page 122.

Burning Ice
This image shows the methane clathrate structure and burning pieces of methane ice. The 'ice' drips water as it burns. Page 149.

Gold Beam-Beam Collision at Relativistic Heavy Ion Collider
These are the tracks taken by the subatomic particles produced in collisions between gold ions. The image was produced by the Solenoidal Tracker (STAR) Time Projection Chamber, a large, 3-D digital camera at Brookhaven's Relativistic Heavy Ion Collider (RHIC). The image was taken from the first gold beam-beam collisions, at 100 - 100 GeV/c per beam. Page 150.

Yellow Cake Uranium
Yellowcake or urania is a uranium powder obtained from leach solutions during uranium ore processing. Modern yellow cake consists of 70-90% uranium oxides. The material is called yellowcake because a drum of the powder produced by early uranium mining operations resembled a yellow cake. However, modern yellowcake usually is brown or black. Page 151.

Ares I-X Launch
This is the launch of the Ares I-X rocket from Kennedy Space Center in Florida on October, 27, 2009. Page 138.

Ares I-X Launch
This is the launch of the Ares I-X rocket from Kennedy Space Center in Florida on October, 27, 2009. Page 139.

Ares I-X Launch
This the launch of the Ares I-X for its test flight on October 28, 2009. This photo was taken from the top of the Vehicle Assembly Building (VAB), the largest one story building in the world at 525 feet tall. The Ares rocket burned very brightly. There was a sonic boom and the launch rattled the entire VAB. Page 140.

Ares I-X Launch
This is the test flight of the Ares I-X launch vehicle (October 27, 2009). Page 137.

Ares I-X on the Launchpad
This is the Ares I-X rocket on the launchpad at Kennedy Space Center on October 26, 2009. Page 136.

Atlantis STS-125 Launch
Here's liftoff of Atlantis for STS-125 on May 11, 2009. Page 114.

Chemistry Notes
Are you taking chemistry? A little strategy can help you pass chemistry class with flying colors. It's possible doodling in your lab book isn't going to help. Page 135.

Erupting Kitchen Volcano
Sam is causing this kitchen chemical volcano to erupt with colored lava. Page 117.

Merritt Island - Kennedy Space Center
This is Merritt Island, which is the location of Kennedy Space Center in Florida. This island is a wildlife refuge as well as the base for NASA spaceflight launches. Page 141.

Millikan Oil Drop Experiment Schematic
This is a digram of the laboratory setup for the Millikan oil drop experiment. Page 116.

Millikan's Oil Drop Experiment
This is the actual laboratory setup used by Millikan for his oil drop experiment. Page 115.

Noble Gases in Gas Discharge Tubes
These are colors that the noble gases glow when excited in gas discharge tubes. Page 134.

Chemistry Stuff
This is a collection of chemistry stuff from a science center. You can get basic glassware, experiments, and books. Page 152.

Science Stuff
This is a collection of science stuff, such as you might find at a science center gift shop. Page 153.

Mars Curiosity Self Portrait
NASA's Mar Curiosity Rover took a color picture of herself.

Mars
Mars, the Red Planet, at photographed by the Hubble Space Telescope in 1999. Page 171.

Antibubbles
Antibubbles. Chemistry. Page 92.

Boyle's Law Animated Illustration
Boyle's Law Animated Illustration. Page 96.

Charles's Law Illustration
Charles's Law Illustration. Chemistry. Page 95.

Electrical Tree or Lichtenberg Figure
Electrical Tree or Lichtenberg Figure. Page 99.

Lead Ore
Photograph of lead ore, with a penny to indicate sample size. Page 105.

Lichtenberg Figure
Lichtenberg Figure. Chemistry. Page 100.

Litmus Paper
Litmus Paper. Chemistry. Page 93.

Magnetic Field Lines
Magnetic Field Lines. Chemistry. Page 81.

Phase Diagram
Phase Diagram. Chemistry. Page 97.

Phase Transitions
Phase Transitions. Chemistry. Page 98.

Plasma Arc
Plasma Arc. Chemistry. Page 37.

Plasma Lamp
Plasma Lamp. Chemistry. Page 32.

Solar Spectrum
Solar Spectrum. Chemistry. Page 101.

Test Tubes
Test Tubes. Chemistry. Page 94.

Volcano
Volcano. Chemistry. Page 80.

Aerogel
Aerogel. Chemistry. Page 77.

Aurora Borealis
Aurora Borealis. Chemistry. Page 91.

Catseye Nebula
Catseye Nebula. Chemistry. Page 88.

Chlorine Gas Attack - WWI
Chlorine Gas Attack - WWI. Chemistry. Page 78.

Electric Discharge around Glass
Electric Discharge around Glass. Chemistry. Page 89.

Flask & Circuit
Flask & Circuit. Chemistry. Page 3.

Gas Masks - WWI
Gas Masks - WWI. Chemistry. Page 79.

Girl with Beaker
Girl with Beaker. Chemistry. Page 21.

Home Experiment
Home Experiment. Chemistry. Page 74.

Ice Found by the Mars Phoenix
Ice Found by the Mars Phoenix. Chemistry. Page 76.

Kids Wearing Safety Goggles
Kids Wearing Safety Goggles. Chemistry. Page 4.

Lightning from a Thunderstorm
Lightning from a Thunderstorm. Chemistry. Page 90.

Mad Scientist
Mad Scientist. Chemistry. Page 41.

Mad Scientist
Mad Scientist. Chemistry. Page 9.

Mercury UV Lamp
Mercury UV Lamp. Chemistry. Page 83.

Scientist Costume
Scientist Costume. Chemistry. Page 75.

Solar Filaments
Solar Filaments. Chemistry. Page 86.

Solar Plasma
Solar Plasma. Chemistry. Page 87.

Tesla Coil Lightning Simulator
Tesla Coil Lightning Simulator. Chemistry. Page 82.

Volcanic Eruption with Lightning
Volcanic Eruption with Lightning. Page 85.

Batteries
Batteries. Chemistry. Page 54.

Bunsen Burner
Bunsen Burner. Chemistry. Page 5.

Chemical Analysis
Chemical Analysis. Chemistry. Page 16.

Chemical Engineers
Chemical engineers can work anywhere in the world. Page 55.

Chemistry Lab
Chemistry Lab. Page 26.

Chemistry Notes
Chemistry Notes. Page 52.

Crab Nebula
Crab Nebula. Chemistry. Page 84.

Fire
Fire. Chemistry. Page 8.

Glowing Fluorescent Dye
Glowing Fluorescent Dye. Chemistry. Page 20.

IUPAC Notes
IUPAC Notes. Chemistry. Page 53.

Mendeleev's Periodic Table of the Elements
Mendeleev's Periodic Table of the Elements. Page 59.

Mendeleev's Periodic Table of the Elements
Mendeleev's Periodic Table of the Elements. Page 58.

Old Chemicals
Old Chemicals. Chemistry. Page 42.

Operation Enduring Freedom
Operation Enduring Freedom. Chemistry. Page 56.

Periodic Table of the Elements
Periodic Table of the Elements. Chemistry. Page 57.

Pipetting
Pipetting. Chemistry. Page 6.

Safety Glasses
Safety Glasses. Chemistry. Page 7.

Spacewalk
Spacewalk. Chemistry. Page 15.

Sun
Sun. Chemistry. Page 28.

Transition Metal Solutions
Transition Metal Solutions. Chemistry. Page 2.

Amedeo Avogadro
Amedeo Avogadro. Chemistry. Page 38.

Battery
Battery. Chemistry. Page 43.

Beaker
Beaker. Chemistry. Page 63.

Bunsen Burner
Bunsen Burner. Chemistry. Page 36.

Earth
Earth. Chemistry. Page 13.

Erlenmeyer Flasks
Erlenmeyer Flasks. Chemistry. Page 35.

Electrochemical Cell
Electrochemical Cell. Chemistry. Page 44.

Transmission Electron Microscope
Transmission Electron Microscope. Page 30.

Enzyme Extraction
Enzyme Extraction. Chemistry. Page 33.

Erlenmeyer Flask
Erlenmeyer Flask. Chemistry. Page 62.

Experiment
Experiment. Chemistry. Page 10.

Flask
Flask. Chemistry. Page 19.

Galileo Thermometer
Galileo Thermometer. Chemistry. Page 23.

Napthol
Napthol. Chemistry. Page 51.

Potion
Potion. Chemistry. Page 17.

Sample Extraction
Sample Extraction. Chemistry. Page 24.

Thermometer
Thermometer. Chemistry. Page 68.

Titration
Titration. Chemistry. Page 22.

Titration
Titration. Chemistry. Page 18.

Weights & Measures
Weights & Measures. Chemistry. Page 73.

Asbestos
Asbestos. Chemistry. Page 48.

Balance Clipart
Balance Clipart. Chemistry. Page 60.

Bubbling Erlenmeyer Flask
Bubbling Erlenmeyer Flask. Chemistry. Page 61.

Caduceus
Caduceus. Chemistry. Page 70.

Chemistry Experiment
Chemistry Experiment. Page 67.

Chemistry Experiment
Chemistry Experiment. Page 40.

Chemistry Glassware
Chemistry Glassware. Page 69.

Deinonychus Dinosaur Skull
Deinonychus Dinosaur Skull. Chemistry. Page 11.

Icecube
Icecube. Chemistry. Page 71.

Lava Lamp
Lava Lamp. Chemistry. Page 50.

Light Bulb
Light Bulb. Chemistry. Page 72.

Microscope Clipart
Microscope Clipart. Chemistry. Page 31.

Petri Dishes
Petri Dishes. Chemistry. Page 34.

Plant & Soil Chemistry
Plant & Soil Chemistry. Page 64.

Rock Salt Crystals
Rock Salt Crystals. Chemistry. Page 49.

Silver Crystals
Silver Crystals. Chemistry. Page 46.

Sulfur Crystals
Sulfur Crystals. Chemistry. Page 45.

Wild Test Tube
Wild Test Tube. Chemistry. Page 66.

DNA
DNA. Chemistry. Page 65.

Gold
Gold. Chemistry. Page 47.

Hurricane Elena
Hurricane Elena. Chemistry. Page 27.

Hurricane Hugo
Hurricane Hugo. Chemistry. Page 25.

Lightning Photograph
Lightning Photograph. Chemistry. Page 14.

Scientist Preparing Solution
Scientist Preparing Solution. Chemistry. Page 29.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Science Pictures
This is a collection of science photographs and clipart.

Top Science Toys - Educational and Science Toys
Are you looking for a great science toy, for yourself or a gift? Here's a look at some of the top science toys. They are educational as well as fun.

Dehydration Reaction - Chemistry Definition
A dehydration reaction is a chemical reaction between compounds where one product is water. Here is the definition of the reaction and examples.

Does Drinking Green Beer Turn Your Pee Green?
Learn whether drinking green beer will turn your pee green or not. For that matter, learn about other chemicals that color your urine!

Middle School Science Fair Projects
Find ideas for middle school science fair projects. These are projects suitable for the 6-8 grade level.

Elementary School Science Fair Projects
Young students can participate in science fairs but often have difficulty deciding on or even thinking of a suitable science fair project. This guide can help find elementary school science fair project ideas appropriate for the kindergarten through fifth grade level.

More Grade School Science Fair Project Ideas
Young students can participate in science fairs but often have difficulty deciding on or even thinking of a suitable science fair project. This guide can help find elementary school science fair project ideas appropriate for the kindergarten through fifth grade level. There are even a few projects ideas for the preschool level. Page 2.

High School Science Fair Projects
Get ideas for great high school science projects. These are projects targeted from the 9-12 grade educational level.

College Science Fair Projects by Topic
Choosing a science fair project as a college student can be challenging. This list of science fair project ideas for freshmen is arranged by topic.

How to Select a Science Fair Project Topic
Here are some tips and advice to help you come up with a science fair project idea, deciding how to turn an idea into a clever project, performing the science fair project, writing a meaningful report about it, and presenting a great-looking, sturdy display.

Free Science Fair Project Ideas
There are lots of good science fair projects that don't cost anything to do. Find a science fair project idea for a project that is free.

Elements Named for Places - Element Toponyms
This is an alphabetical list of elements in chemistry named for places or element toponyms.

Chemistry 101 - Introduction and Index of Topics
Welcome to the wide world of chemistry! This is an introduction to Chemistry 101 and an index of concepts and tools to help you learn chemistry.

Free Middle School Science Fair Projects
Find ideas for free middle school science fair projects. These free projects suitable for the 6-8 grade level.

Free High School Science Fair Projects
Get ideas for free high school science projects. These free science projects target the 9-12 grade educational level.

Science Demonstrations, Experiments, and Projects
Get ideas and help with science projects, demonstrations, experiments, laboratory exercises, and other science activities.

Top Chemistry Projects for Bored Kids


Top Chemistry Projects for Bored Kids


Baggie Chemistry Experiments
Introduce students to chemical reactions and experimentation using common materials and baggies.

Make Frozen Bubbles on Dry Ice
Let's make frozen bubbles using dry ice and a bubble wand. You can pick up the frozen bubbles to examine them closely.

Is Milk an Acid or a Base?
Have you ever wondered about the pH of milk and whether it is an acid or a base? Here's a look at the pH of milk.

Where Does Candle Wax Go?
Learn what happens to the wax when you burn a candle and get the balanced chemical equation for wax combustion.

Is It Okay To Eat Mango Skin?
If you discard the mango skin, you might want to reconsider. Learn about the health risks and benefits of eating the mango skin or peel.

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Name Reactions in Organic Chemistry
There are several important name reactions in organic chemistry. Here are the names and equations for key reactions, listed in alphabetical order.

Dissociation Reaction Definition in Chemistry
This is the definition of a dissociation reaction in chemistry, with examples of representative chemical reactions.

Most Abundant Gas in the Earth's Atmosphere
The Earth's atmosphere or air is composed of several gases. One gas is much more abundant than any other. Can you guess which one it is?

Laws of Thermodynamics
Learn about the four laws of thermodynamics and how they define energy, temperature, and entropy.

Molar Heat Capacity Definition and Examples
This is the definition of molar heat capacity, along with its units and examples of values for various substances.

Reagent Definition and Examples
This is the definition of a reagent along with examples and an explanation of how reagents differ from reactants.

Pnictogen Definition
This is the definition of a pnictogen in chemistry and other sciences as well as a list of elements in the group.

Carbon 14 Dating - Worked Chemistry Problems
Here's a worked example of the calculation for carbon 14 dating of organic material.

Distill Ethanol or Grain Alcohol
Learn how to distill your own ethanol, also knows as ethyl alcohol or grain alcohol.

Gold and Silver Pennies Chemistry Project
Take copper colored pennies and turn then silver, then make them gold. This is an easy chemistry project that uses common laboratory chemicals.

Can You Balance an Egg on the Equinox?
Find out whether the urban legend that you can balance an egg on end on the equinox is true or not.

Can You Drink Distilled Water?
Distillation is one method of water purification. Is distilled water safe to drink or as good for you as other types of water? The answer depends on a few different factors.

Limiting Reactant Problems in Chemistry
This example problem demonstrates a method to determine the limiting reactant of a chemical reaction.

Worked Isotope Half Life Example Problem
This example problem demonstrates how to use an isotope's half life to determine the amount of the isotope present after a period of time.

What Is the Chemical Composition of Urine?
Human urine is yellowish in color with variable chemical composition, but here is a list of its primary components, including percent water and salts.

Spectator Ion Definition and Examples
This is the definition of spectator ion along with a list of common spectator ions you might encounter.

Converting Cubic Meters to Liters - m3 to L
The method to convert cubic meters to liters is demonstrated in this worked example problem.

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Worst Elements on the Periodic Table
You need some chemical elements to survive, while others are downright toxic. Here's a look at the worst elements known to man.

Red Cabbage Juice Makes an Egg White Turn Green
Red cabbage juice contains a natural color-change pH indicator that you can use to make an egg white turn green (safely).

St. Patrick's Day Science Projects
Add a wee bit of science to your St. Patrick's Day pranks and celebration with these fun chemistry projects.

Why Is Water a Polar Molecule?
Water is a polar molecule. Here is the explanation for why water is a polar molecule and why water is a polar solvent.

What Is the Most Conductive Element?
Here is a look at the three most electrically conductive elements. As you might expect, all three electrical conductor elements are metals.

What Is a Coenzyme? (Coenzyme and Cofactor Definition)
This is the definition of coenzyme and the explanation of the difference between coenzymes and cofactors. Examples are provided.

What Is Grain Alcohol?
Here's the definition of grain alcohol and an explanation of how it's made and how it differs from other types of alcohol.

Absolute Alcohol - Definition & Chemistry Terms
This is the definition of absolute alcohol, a term often used in Chemistry. Learn more about this term and other glossary words.

Element Composition of the Sun - Solar Chemistry
You probably know the sun consists mainly of hydrogen and helium. Can you name the other elements found in our closest star?

How to Make Aspirin (Acetylsalicylic Acid): Follow-Up
Learn how to synthesize aspirin, acetylsalicylic acid, from salicyclic acid. Get information about the history of aspirin, the effects of salicylates, and see the structures of the reactants.

How to Make Aspirin - Acetylsalicylic Acid
Learn how to synthesize aspirin, acetylsalicylic acid, from salicyclic acid. Get information about the history of aspirin, the effects of salicylates, and see the structures of the reactants.

How to Make Aspirin - Acetylsalicylic Acid - Objectives & Materials
Learn how to synthesize aspirin, acetylsalicylic acid, from salicyclic acid. Get information about the history of aspirin, the effects of salicylates, and see the structures of the reactants.

How to Make Aspirin - Acetylsalicylic Acid - Procedure
Learn how to synthesize aspirin, acetylsalicylic acid, from salicyclic acid. Get information about the history of aspirin, the effects of salicylates, and see the structures of the reactants.

How to Make Aspirin (Acetylsalicylic Acid): Analysis
Learn how to synthesize aspirin, acetylsalicylic acid, from salicyclic acid. Get information about the history of aspirin, the effects of salicylates, and see the structures of the reactants.

Vitamin C Determination by Iodine Titration
Use this redox-based iodometric titration to determine the amount of Vitamin C or ascorbic acid in juice and other samples.

Procedure for Determining Vitamin C
Determine the amount of ascorbic acid, vitamin C, in juice or other substance using this redox-based iodometric titration.

Vitamin C Titration
Determine the amount of ascorbic acid, vitamin C, in juice or other substance using this redox-based iodometric titration.

How to Calculate Vitamin C: Titration Calculations
Determine the amount of ascorbic acid, vitamin C, in juice or other substance using this redox-based iodometric titration.

What Is a Microliter? - Definition and Example
This is the definition of microliter or microlitre, along with examples of samples that might be measured using this volume unit.

What Are the Products of Photosynthesis?
Find out what the products of photosynthesis are and view the overall chemical reaction.

Why Bacon Smells So Good
Is there any odor as tasty as that of frying bacon? Bacon smells so good because of a set of chemical reactions. Here's how it works.

What Element in the Halide Family is a Liquid?
Only one halide element is a liquid at room temperature and pressure. Can you name this halogen?

Why Ice Is Blue
Have you ever wondered why glaciers and some frozen lakes are blue, yet icicles are clear? Here's the science of why ice is blue.

Elements Listed by Density
See the order of the chemical elements according to their density (mass per unit volume), from least dense to most dense.

What Is the Temperature of Liquid Nitrogen?
Liquid nitrogen is very cold! Here is a look at the temperature range of liquid nitrogen, as well as facts about its appearance and properties.

How To Change Egg Yolk Color
Learn how to change the color of an egg yolk.

Atomic Number 1 on the Periodic Table
Learn about the element that is atomic number 1 on the periodic table.

How Flame Test Colors Are Produced
Learn how flame test colors are produced and why the test can be used to identify metal ions.

Why Do Egg Yolks Turn Green? - Cooking Chemistry
Have you ever had a hard boiled egg that had a green yolk? Here's a look at the chemistry behind why this happens.

Why Doesn't Vodka Freeze?
People who drink vodka often keep it in the freezer. The alcohol gets cold, yet it doesn't turn solid. Here's the science of why vodka doesn't freeze.

Flame Test Definition
This is the definition of flame test.

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

What Causes Brain Freeze and Ice Cream Headaches?
When you eat ice cream or slam back a cold drink, do you feel a stabbing pain or headache? Here's what causes brain freeze and how to stop the pain.

Definition of a Chemical Period - Chemistry Glossary
Period definition, as used in chemistry, chemical engineering, and physics, with an explanation of why the term is important.

Periodic Table for Kids
Click an element symbol in the periodic table for kids to get detailed facts. Learn how the periodic table is organized and about major element groups.

Endothermic Reaction Examples
This is a list of chemical reactions that are endothermic reactions. You can try these reactions to make homemade cold packs.

Metals Nonmetals and Metalloids - Periodic Table
This is a periodic table of the metals, metalloids, and nonmetals and a description of the properties of these major element groups.

Elephant Toothpaste Chemistry Demonstration
The elephant toothpaste chemistry demonstration produces steaming foam like toothpaste an elephant might use. Set up this demo and learn its reaction.

Leprechaun Trap - Green Slime St. Patrick's Day Project
Here's how to make green slime for St. Patrick's Day leprechaun trap.

What Temperature Is Room Temperature?
There is no single, exact room temperature. Here's the definition of what qualifies.

Barium - Elements in Fireworks
Learn about the use of the element barium in fireworks and pyrotechnics.

Magnesium - Elements in Fireworks
Learn about the use of the element magnesium in fireworks and pyrotechnics.

Chemical Formula for Ethanol - Chemistry
Ethanol is ethyl alcohol or grain alcohol. It is the type of alcohol found in alcoholic beverages. Here's a look at its chemical formula.

Strontium - Elements in Fireworks
Learn about the use of the element strontium in fireworks and pyrotechnics.

Potassium Nitrate (KNO3) Solution Preparation Instructions
Here are instructions for making a 1M potassium nitrate aqueous solution.

Potassium - Elements in Fireworks
Learn about the use of the element potassium in fireworks and pyrotechnics.

Saltpeter or Potassium Nitrate (Overview of Chemical)
Saltpeter is a common chemical, used for many products and science projects. Here's a look at what exactly saltpeter is.

Can Hair Turn White Overnight?
Is it true your hair can turn white from a bad scare or that your hair can turn gray overnight? Learn about your haircolor and get the answer to the question.

Chemistry Glossary Definition of Acidic Solution
Acidic Solution definition, as used in chemistry, chemical engineering, and physics, along with examples.

Hair Color Chemistry - How Haircoloring Works
Over 75% of women and a growing percentage of men color their hair. Do you know the chemistry behind haircoloring? Learn about natural haircolor and find out what happens when you bleach hair or use temporary or permanent haircolor.

Gunpowder Facts, History and Description
Black powder is used as a propellant for bullets, as well as for fireworks and rocketry. Learn how gunpowder works and a bit about its history.

Sharpie Pen Tie Dye - Use Science to Create Wearable Art
You can create a pattern resembling tie-dye using colored Sharpie pens and rubbing alcohol. It's a fun and educational project that is great for kids.

Tattoo Removal - How to Remove Tattoos
Tattoos are meant to be permanent, so they aren't easy to remove, but there are multiple methods that are used when a person wishes to have a tattoo removed.

Make Colored Chalk
Learn how to make your own fun colored chalk.

How to Make Metamucil Flubber (Recipe)
This is a recipe for a non-sticky rubber or gelatinous slime commonly called flubber.

How to Make Homemade Electroactive Slime
This is the recipe for an electroactive, flowing slime that seems to have a life of its own.

Borax Crystal Star - How to Grow a Star Crystal
Grow borax crystals around a star shape to produce a crystal star that may be used as an ornament or decoration.

Robert Hooke (1635 - 1703)
Here's a brief biography of Robert Hooke, who has been called the English Da Vinci. Hooke is credited with numerous inventions and achievements.

How an Ice Cream Soda or Float Works
An ice cream soda or float has frothy bubbles. They form because of a chemical reaction. Here's how it works.

Baking Soda & Vinegar Chemical Volcano
Making a baking soda and vinegar volcano is safe and easy, plus it only requires a few inexpensive kitchen ingredients.

Fizzy Potion - Mad Scientist Lab
Make a non-toxic fizzy Mad Scientist potion using ingredients from your kitchen. The potion looks evil, but it is safe enough to drink.

Carbon Facts - Periodic Table of Elements
Get periodic table facts on the chemical and physical properties of the element carbon.

Fluorine Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element fluorine.

Nitrogen / Azote Facts - Periodic Table of the Elements
Nitrogen is an important nonmetal. Get periodic table facts on the chemical and physical properties of the element nitrogen (azote).

Oxygen Facts - Periodic Table of the Chemical Elements
Get facts on the chemical and physical properties of the element oxygen.

Boron Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element boron.

Beryllium Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element beryllium.

Neon Facts - Ne or Element 10
Neon is used in neon signs and lasers, but there is so much more to know! Here is a collection of neon facts, including important physical and chemical properties.

Lithium Facts - Li or Element 3
Lithium is the first metal on the periodic table. Here are facts on the chemical and physical properties of the element lithium.

Helium Chemical Element Facts
Get facts on the chemical and physical properties of the element helium, a gas which is the second element on the periodic table.

Periodic Table of the Elements Facts for Hydrogen
Get facts on the chemical and physical properties of the element hydrogen.

Collection of Printable Periodic Tables
Here's a big collection of free color and black and white printable periodic tables. Many specialty periodic tables are available, for specific purposes.

Glow Stick Experiment - Rate of Chemical Reaction
Use glow sticks to explore how temperature affects the rate of a chemical reaction. This fun science experiment is great way to learn about reactions.

6 Chemical Additives in Foods You Eat
Learn about common chemical additives in the foods you eat, especially ones you should avoid.

Common Cations Table - Chemistry Terms
This is a table listing the most common cations. The name, charge, and formula of many common cations are listed.

Polyatomic Ion Definition and Examples
This is the definition of polyatomic ion along with examples.

Charge - Definition of the Chemistry Term
Charge usually refers to electric charge, which is a conserved property of certain subatomic particles that determines their electromagnetic interaction.

Aqua Regia Dissolves Gold
Chemistry.

Fluoroantimonic Acid Is the Worst Acid
Chemistry.

Most Dangerous Acids in the World
Meet the worst types of acid in the world. These acids are strong and corrosive and downright nasty.

Piranha Solution Dissolves Organics
Chemistry.

Hydrofluoric Acid Eats Bones
Chemistry.

What Is Freezing Point? - Chemistry Definition
Freezing Point definition, as used in chemistry, chemical engineering, and physics.

Celsius to Kelvin Temperature Conversion Example
Here is an example problem that explains how to convert a temperature from degrees on the Celsius scale to Kelvin.

How to Convert Temperatures From Kelvin to Celsius
This example problem illustrates the method to convert temperatures from Kelvin to Celsius, a formula commonly used in chemistry.

Body Temperature Fahrenheit To Celsius Conversion
This worked example problem demonstrates how to convert Fahrenheit measurements to the Celsius and Kelvin temperature scales.

Celsius Temperature Scale Definition
This is the definition of the Celsius temperature scale and a look at its 0 degrees point.

Kelvin Temperature Scale Definition
Kelvin Temperature Scale definition, as used in chemistry, chemical engineering, and physics.

Absolute Temperature Definition
Absolute Temperature definition, as used in chemistry, chemical engineering, and physics.

Temperature Conversion Formulas
These are the conversion formulas to convert between the Celsius, Fahrenheit, and Kelvin temperature scales.

Aqua Regia Definition in Chemistry
This is the definition of aqua regia along with a description of its uses in chemistry.

What Is Table Salt?
Table salt is one of the most common household chemicals. While all table salt contains one main chemical, others may be present. Here's a look at what's in your salt.

Maltodextrin Facts
Get the chemical structure and facts about maltodextrin.

How To Convert Miles to Kilometers - Example Problem
Here's an easy method to convert miles to kilometers. The example is for the distance between New York and Los Angeles.

How to Convert Inches to Centimeters
This problem illustrates the method to convert inches to centimeters. The difference between a yardstick and meterstick is used as the example.

Livermorium Facts - Element 116 or Lv
Here's a collection of useful livermorium facts, including the history, properties, and uses of element 116 or Lv.

Element 117 Facts - Ununseptium or Uus
Get the facts for newly discovered element 117. Learn about ununseptium history, properties, and uses.

Roentgenium Facts - Rg or Element 111
Get interesting roentgenium element facts, including element 111 history, properties, and uses.

How to Prepare a Sodium Hydroxide Solution (NaOH)
Here is how to make a sodium hydroxide solution safely, along with recipes for several common concentrations of NaOH solution.

Dilution Calculations from Stock Solutions
If you're working in a chemistry lab, it's essential to know how to calculate a dilution. Here's a review of how to prepare a dilution from a stock solution.

Converting Liters to Milliliters - Conversion Problem
The method to convert liters to milliliters is demonstrated in this worked example problem.

Ionic Radius Trends in the Periodic Table
Learn about the periodic table trends seen for the ionic radius of the elements for groups and periods.

What Is a Congener?
This is the definition of congener in chemistry, along with examples of congeners.

Seaborgium Facts - Sg or Element 106
Get interesting seaborgium element facts. Learn about element 106 history, properties, and uses.

Lanthanum Facts - La Element Facts
Get facts on the chemical and physical properties of the element lanthanum or La. Learn the uses of this interesting lanthanide element.

Mercury Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element mercury.

Palladium Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element palladium.

Berkelium Element Facts - Bk - #97
Get facts about element 97, berkelium. Learn about its history, atomic data, and Bk properties.

Ytterbium Facts - Yb Element Facts
Get ytterbium element facts (element Yb) including fun trivia and a look at the chemical and physical properties of this rare earth metal.

Meitnerium Facts - Mt or Element 109
Get interesting facts about meitnerium, which is element 109. Learn about Mt history, properties, and uses.

Seven Basic Metric Unit Measurements
The metric system or SI (from Le Système International d'Unités.) is based on seven base units. These units describe the basic properties on which all other measurements are based.

Glenn T. Seaborg Biography
Glenn Seaborg is known for his work with transuranic elements. This is a brief biography of this famous scientist and Nobel laureate.

Colored Crystal Recipes Collection
This is a list of colored crystal projects. These crystal colors are natural, not caused by food coloring or another additive. You can grow natural crystals in pretty much any color of the rainbow!

Difference Between Mass and Weight
Here is a simple explanation of the difference between mass and weight, with examples and a chart comparing the two concepts.

Force Definition and Examples (Science)
This is the definition of a force as used in chemistry and physics, along with examples of several forces.

Mass Definition and Examples - Chemistry
Mass definition, as used in chemistry, chemical engineering, and physics. Examples are also provided.

Reactant Definition - Chemistry Glossary
This is the definition of a reactant, as the term is used in chemistry, along with examples of reactants in chemical equations.

Wax Definition - Chemistry Glossary
This is the definition of wax in chemistry, along with examples of common waxes.

3 Parts of a Nucleotide and How They Are Connected
You may be asked to name the three parts of a nucleotide and explain how they are connected or bonded to each other. Here's the answer for both DNA and RNA.

Difference Between Chemical Reaction and Chemical Equation
What is the difference between a chemical reaction and the chemical equation? The terms are often used interchangeably, but they are technically different.

Standard State Conditions of Temperature and Pressure
Values of thermodynamic quantities are commonly expressed for standard state conditions or STP, so it is a good idea to understand what the standard state conditions are.

Converting Fahrenheit to Celsius - Temperature Conversion
Here is a method to convert temperatures from Celsius to Fahrenheit using an example problem of 77 degrees.

PPB Definition - Parts Per Billion
This is the definition of PPB and an example of how to use the abbreviation.

Decomposition of Baking Soda Equation - Sodium Bicarbonate
This is the balanced chemical equation for the decomposition of sodium bicarbonate or baking soda by heat or in water.

VSEPR Definition - Valence Shell Electron Pair Repulsion
This is the definition of Valence Shell Electron Pair Repulsion Theory or VSEPR theory, with examples and descriptions of molecular geometry shapes.

Green Rust - Interesting Iron Chemistry
Rust is the name given to a collection of iron oxides. Did you know rust can be green, rather than the usual red? Here's the chemistry involved.

Relative Solubility Example Problem
This example problem demonstrates how to determine the relative solubility of ionic compounds in water.

How To Make Bromcresol Green Indicator
This is the recipe for bromcresol green pH indicator solution.

Neodymium Facts - Nd or Element 60
Get periodic table facts on the chemical and physical properties of the element neodymium.

Test Tube Thunderstorm Chemistry Demonstration
You can react chemicals to produce what looks like a thunderstorm in a test tube. This is a spectacular chemisty demonstration that is suitable for chemistry class or lab.

Copernicium or Ununbium Facts - Cn or Element 112
Get periodic table facts on the chemical and physical properties of the element ununbium, which has been named copernicium.

What Is a Buffer and How Does It Work?
Buffers are an important concept in acid-base chemistry. Here's a look at what buffers are and how they function.

What Is Decanting or Decantation in Chemistry?
What is meant by decanting in chemistry? Decantation is a process used to separate mixtures of liquids and solids or two immiscible liquids.

How To Calculate Atomic Abundance from Atomic Mass
Atomic mass is determined by the weighted average of the masses of naturally-occurring isotopes. Here is an example of how to determine the atomic abundance.

Lesson Plan Template - Fill in the Blanks
Follow this template to write your own lesson plans quickly and painlessly. It's an easy way to organize your thoughts and help students focus learning.

Emulsifier Definition - Emulsifying Agent
This is the definition of emulsifier.

How To Cancel Units - Chemistry Metric Conversions
Here is a step by step example of a conversion between metric units. This illustrates how to cancel units to convert measurement units.

Baking Powder Versus Baking Soda
Are you planning some holiday baking? If so, you can use your knowledge of kitchen chemistry to save a trip to the store if you run out of baking powder or baking soda.

Science of Special Effects
It isn't magic that makes movies look so cool. It's done using computer graphics and smoke and mirrors, which is a fancy name for

Fire Writing - Reveal an Invisible Message
Write a message using a special invisible ink. Reveal the message in fire with this fire writing chemistry project.

How to Keep a Halloween Jack o Lantern from Rotting
Science fair projects can be fun and interesting! For example, here is a science fair project that examines various ways of keeping a carved pumpkin fresh. Can you determine the best way to keep a Halloween jack o lantern from rotting?

Gluten: Chemistry and Sources in Food
Gluten is a common allergen found in foods, yet do you know what exactly it is? Here's a look at gluten chemistry and the foods most likely to contain gluten.

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

Glass Definition - Chemistry Glossary
This is the definition of glass as the term is used in chemistry, along with several examples of types of glasses.

Colored Snow Chemistry and Causes
You may have heard that snow can be found in other colors besides white. It's true! Red snow, green snow, and brown snow are relatively common. Really, snow can occur in just about any color. Here's a look at some common causes of colored snow.

Lanthanides Definition - Chemistry Glossary
This is the definition of a lanthanide with examples of representative elements.

RT Definition in Chemistry
This is the definition of RT. Chemistry.

SI Definition - System Internationale
This is the glossary definition of SI.

Electron Cloud Definition in Chemistry
This is the definition of an electron cloud, as the term is used in chemistry and physics.

Principal Quantum Number Definition
This is the definition of the principal quantum number and an explanation of its significance.

How To Start Green Fire with a Drop of Water
Start a fire with a drop of water. The best part? It's a green fire!

Easy Way To Make Rainbow Fire
It's easy to turn an ordinary flame into a rainbow-colored flame.

How Superheating Works - Water in a Microwave
Learn about the phenomenon of superheating, where a liquid may be heated in excess of its boiling point without boiling.

Understand Chemical Reaction Arrows
Chemical reactions are written with arrows denoting a reaction starts with one thing, follows the arrow and becomes another thing. Different types of arrows are used to show special types of chemical reactions. This list shows the most common arrows used in chemical reaction formulas.

10 Interesting Xenon Facts
Get 10 interesting facts about the element xenon.

Immiscible Definition and Example
Learn the definition of immiscible as the term is used in chemistry, along with examples.

Real Gas Definition and Examples
This is the definition of real gas, as the term is used in chemistry.

How to Make Blueprint Paper
Blueprint paper is a specially-coated paper that turns blue where it is exposed to light, while areas kept in the dark remain white. Blueprints were one of the first ways to make copies of plans or drawings. Here's how to make blueprint paper yourself.

Flerovium or Ununquadium Element Facts
Get facts on the chemical and physical properties of the element flerovium, which had the placeholder name ununquadium.

Henderson Hasselbalch Equation Definition
Henderson Hasselbalch Equation definition, as used in chemistry, chemical engineering, and physics.

Glow in the Dark Duck Tape Triboluminescence
You can use duck tape to see an example of triboluminescence, the glow given off when some materials are subjected to mechanical stress or friction. The duck tape triboluminescence project is extremely easy and only take a few seconds to try.

Law of Conservation of Energy Definition
Law of Conservation of Energy definition, as used in chemistry, chemical engineering, and physics.

What Is a Molecular Solid?
This is an explanation of what a molecular solid is and examples of molecular solids.

How Sarin Gas Works
Sarin is an organophosphate nerve agent or nerve gas. Here's a look at how it works and how exposure to Sarin is treated.

Flame Test - Sodium Carbonate
Flame Test - Sodium Carbonate. Chemistry. Page 13.

Flame Test Color Pictures
A flame test is a chemistry procedure that is used to test for the presence of metal ions. The emission spectrum of each element produces a characteristic flame color. This photo gallery shows representative flame tests for common metal ions.

Antimony Flame Test
The flame test for antimony results in a pale green flame. The color of the flame is so light that it may appear white. Page 3.

Arsenic Flame Test
The flame test for arsenic results in a blue colored flame. Page 4.

Calcium Flame Test
The flame test for calcium results in a brick red flame. Page 7.

Flame Test - Boric Acid
The boron ions in boric acid produce a characteristic green flame. Page 5.

Flame Test - Boron
Dr. Helmenstine demonstrates how easy it is to make green fire using boric acid. Boron has a characteristic green emission spectrum. Page 6.

Flame Test - Copper Sulfate
Flame Test - Copper Sulfate. Chemistry. Page 8.

Flame Test - Potassium Chloride
Potassium chloride, which can be found as lite salt, burns with a characteristic violet flame. Page 11.