Chemistry: Most Popular Articles
These articles are the most popular over the last month.
Periodic Table of the Elements - Interactive Periodic Table of the Elements - Periodic Table of Element Facts
This is an interactive periodic table of the elements or periodic chart of the chemical elements. Click on an element symbol on the periodic table to get detailed facts about the element.
This is an interactive periodic table of the elements or periodic chart of the chemical elements. Click on an element symbol on the periodic table to get detailed facts about the element.
Middle School Science Projects
Find ideas for middle school science fair projects. These are projects suitable for the 6-8 grade level.
Find ideas for middle school science fair projects. These are projects suitable for the 6-8 grade level.
High School Science Projects
Get ideas for great high school science projects. These are projects targeted from the 9-12 grade educational level.
Get ideas for great high school science projects. These are projects targeted from the 9-12 grade educational level.
8th Grade Science Projects
Get ideas for 8th grade science fair projects. These are experiments and topics suitable for upper middle school level science fair projects.
Get ideas for 8th grade science fair projects. These are experiments and topics suitable for upper middle school level science fair projects.
Elementary Science Projects
Find elementary school science fair project ideas suitable for the kindergarten through fifth grade level.
Find elementary school science fair project ideas suitable for the kindergarten through fifth grade level.
7th Grade Projects
Find an idea for a 7th grade science fair project or a science project targeted at the intermediate middle school level.
Find an idea for a 7th grade science fair project or a science project targeted at the intermediate middle school level.
6th Grade Science Projects
Get ideas for 6th grade science fair projects. These are topics and experiments suitable for upper grade school or entry level into middle school.
Get ideas for 6th grade science fair projects. These are topics and experiments suitable for upper grade school or entry level into middle school.
Balancing Chemical Equations
Use these step by step instructions to write and balance chemical equations.
Use these step by step instructions to write and balance chemical equations.
Atom Basics Quiz - Test Your Chemistry Knowledge
Atom Basics Quiz - Test Your Chemistry Knowledge: structure quiz chemistry knowledge model of the atom question quiz science fundamentals
Atom Basics Quiz - Test Your Chemistry Knowledge: structure quiz chemistry knowledge model of the atom question quiz science fundamentals
Baking Soda & Baking Powder
Difference Between Baking Powder and Baking Soda - Cooking Substitutions
Difference Between Baking Powder and Baking Soda - Cooking Substitutions
Endo/Exothermic Reactions
Learn about endothermic and exothermic chemical reactions and get instructions to perform your own hot and cold chemistry.
Learn about endothermic and exothermic chemical reactions and get instructions to perform your own hot and cold chemistry.
5th Grade Science Projects
Get ideas for 5th grade science fair projects. These are experiments and topics suitable for upper elementary school level science fair projects.
Get ideas for 5th grade science fair projects. These are experiments and topics suitable for upper elementary school level science fair projects.
Printable Periodic Table
Download or print these periodic tables to help work chemistry problems or to predict properties of the elements.
Download or print these periodic tables to help work chemistry problems or to predict properties of the elements.
Periodic Properties
Learn about the periodic properties or trends in the periodic table of the elements.
Learn about the periodic properties or trends in the periodic table of the elements.
Calculate Concentration
Calculate the concentration of chemical solutions in percent composition by mass, molarity, molality, and normality. Make dilutions by adding the correct volume of solvent to make a new solution.
Calculate the concentration of chemical solutions in percent composition by mass, molarity, molality, and normality. Make dilutions by adding the correct volume of solvent to make a new solution.
Science Project Ideas
These science fair project ideas provide information and questions you can develop into a science fair project. Bookmark this page or check back regularly, since new ideas are added. You may submit an idea for a science fair project to be included in the list.
These science fair project ideas provide information and questions you can develop into a science fair project. Bookmark this page or check back regularly, since new ideas are added. You may submit an idea for a science fair project to be included in the list.
Build a Baking Soda Volcano
How to make your own baking soda volcano.
How to make your own baking soda volcano.
Can You Drink Too Much Water?
Is it really possible to drink to much water? Learn about water intoxication and hyponatremia.
Is it really possible to drink to much water? Learn about water intoxication and hyponatremia.
Oscillating Color Demo
Instructions for performing the Briggs-Rauscher Color Change Reaction or the Oscillating Clock Demonstration
Instructions for performing the Briggs-Rauscher Color Change Reaction or the Oscillating Clock Demonstration
4th Grade Science Projects
Get ideas for 4th grade science fair projects. These are experiments and topics suitable for elementary school level science fair projects.
Get ideas for 4th grade science fair projects. These are experiments and topics suitable for elementary school level science fair projects.
How to Make a Smoke Bomb
Learn how to make a smoke bomb. This is the list of materials required for making your own smoke bomb.
Learn how to make a smoke bomb. This is the list of materials required for making your own smoke bomb.
Grow Sugar Crystals
These are step by step instructions for growing your own sugar crystals or rock candy.
These are step by step instructions for growing your own sugar crystals or rock candy.
Element Symbols
Learn the one and two letter symbols for the chemical elements.
Learn the one and two letter symbols for the chemical elements.
Chemistry Worksheets
This is a collection of chemistry worksheets in pdf format. The answers to the questions are available on separate worksheets so you can fill them out and then check your work.
This is a collection of chemistry worksheets in pdf format. The answers to the questions are available on separate worksheets so you can fill them out and then check your work.
Chemical Names of Common Substances
Chemical Names of Common Substances: aluminum potassium sulfate aqua ammonia aqua fortis red vermillion chemical names of common substances
Chemical Names of Common Substances: aluminum potassium sulfate aqua ammonia aqua fortis red vermillion chemical names of common substances
Chemical & Physical Changes
Find out what chemical and physical changes are, get examples, and learn how to tell them apart.
Find out what chemical and physical changes are, get examples, and learn how to tell them apart.
9th Grade Science Projects
Find an idea for a 9th grade science fair project or a science project targeted at the entry level for high school.
Find an idea for a 9th grade science fair project or a science project targeted at the entry level for high school.
Firework Color Chemistry
Fireworks combine art and science. Learn about the chemistry behind firework colors, including the mechanisms of color production and a table listing colorants.
Fireworks combine art and science. Learn about the chemistry behind firework colors, including the mechanisms of color production and a table listing colorants.
Oxidation Number Rules
Learn how to assign oxidation numbers to keep track of the distribution of electrons during a chemical reaction.
Learn how to assign oxidation numbers to keep track of the distribution of electrons during a chemical reaction.
Crystal Meth Facts
Learn what crystal meth is, why people take crystal meth, how it's made, and what risks are associated with using methamphetamine.
Learn what crystal meth is, why people take crystal meth, how it's made, and what risks are associated with using methamphetamine.
Neon Facts
Get periodic table facts on the chemical and physical properties of the element neon.
Get periodic table facts on the chemical and physical properties of the element neon.
Fireworks Display
Fireworks Display
Fireworks Display
Elephant Toothpaste Demo
The elephant toothpaste chemistry demonstration is a dramatic demo which produces copious amounts of steaming foam that sort of looks like the toothpaste an elephant might use. Here's how to set up this demonstration and a look at the reaction behind it.
The elephant toothpaste chemistry demonstration is a dramatic demo which produces copious amounts of steaming foam that sort of looks like the toothpaste an elephant might use. Here's how to set up this demonstration and a look at the reaction behind it.
How to Grow Great Crystals
How to Grow Great Crystals - Tips, Tricks, and Techniques of Crystal Growing
How to Grow Great Crystals - Tips, Tricks, and Techniques of Crystal Growing
Endothermic Reaction Examples
This is a list of chemical reactions that are endothermic reactions.
This is a list of chemical reactions that are endothermic reactions.
Chemical Bonds & Compounds Chemistry Quiz
Chemical Bonds & Compounds Chemistry Quiz: electron dot structures ionic covalent bonds lewis electron dot structures chemistry quiz chemistry quizzes
Chemical Bonds & Compounds Chemistry Quiz: electron dot structures ionic covalent bonds lewis electron dot structures chemistry quiz chemistry quizzes
3rd Grade Science Projects
Get ideas for 3th grade science fair projects. These are experiments and topics suitable for grade school level science fair projects.
Get ideas for 3th grade science fair projects. These are experiments and topics suitable for grade school level science fair projects.
Worked Chemistry Problems
These are examples of worked chemistry problems. Printable worksheets with questions and answers are also provided.
These are examples of worked chemistry problems. Printable worksheets with questions and answers are also provided.
Make Slime
This is a recipe for homemade slime.
This is a recipe for homemade slime.
Home Chemistry Projects
Don't worry if you don't have a chemistry lab. These projects use materials you can find around the house.
Don't worry if you don't have a chemistry lab. These projects use materials you can find around the house.
Science Quiz - Test Your General Science Knowledge
Test your general science knowledge with this fun multiple choice quiz.
Test your general science knowledge with this fun multiple choice quiz.
How to Write a Lab Report
Lab reports are an essential part of all laboratory courses and usually a significant part of your grade. If your instructor gives you an outline for how to write a lab report, use that. Here's a format for a lab report you can use if you aren't sure what to write or need an explanation of what to include in the different parts of the report.
Lab reports are an essential part of all laboratory courses and usually a significant part of your grade. If your instructor gives you an outline for how to write a lab report, use that. Here's a format for a lab report you can use if you aren't sure what to write or need an explanation of what to include in the different parts of the report.
Metal 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.
Most of the chemical elements are metals of one variety or another. Learn about some of the properties common to this large element group.
Acid-Base Indicators
Acid-Base Indicators: hydrogen ion concentrations hydrogen ion concentration acid base indicators useful weak acids sodium salts
Acid-Base Indicators: hydrogen ion concentrations hydrogen ion concentration acid base indicators useful weak acids sodium salts
Food Science Projects
These are ideas for science fair projects that involve food or cooking chemistry.
These are ideas for science fair projects that involve food or cooking chemistry.
Baking Substitutions
Baking powder and baking soda both are leavening agents, which means they help baked goods to rise. They are not the same chemical, but you can substitute one for another in recipes. Here's how.
Baking powder and baking soda both are leavening agents, which means they help baked goods to rise. They are not the same chemical, but you can substitute one for another in recipes. Here's how.
Heats of Formation - Thermochemistry Table
Heats of Formation - Thermochemistry Table: endothermic exothermic reactions molar heat kj mol chemistry problems heat of formation
Heats of Formation - Thermochemistry Table: endothermic exothermic reactions molar heat kj mol chemistry problems heat of formation
Alkali Metal Properties
Learn about the common properties shared by the alkali metals.
Learn about the common properties shared by the alkali metals.
Atomic Structure Quiz - Test Your Chemistry Knowledge
Atomic Structure Quiz - Test Your Chemistry Knowledge
Atomic Structure Quiz - Test Your Chemistry Knowledge
Elements in the Human Body
Elements in the Human Body
Elements in the Human Body
Slime Recipe
Get step-by-step instructions for making classic slime.
Get step-by-step instructions for making classic slime.
Ionic & Covalent Bonds
Learn to distinguish between ionic and covalent bonds, and determine whether a bond will be polar or nonpolar.
Learn to distinguish between ionic and covalent bonds, and determine whether a bond will be polar or nonpolar.
How To Color Fire
Learn how to color fire using these fun and easy instructions.
Learn how to color fire using these fun and easy instructions.
Black Light Glowing Materials
List of materials that glow under ultraviolet or black light
List of materials that glow under ultraviolet or black light
Red Cabbage pH Indicator
Make your own pH indicator solution! Red cabbage juice contains a natural pH indicator that changes colors according to the acidity of the solution. Red cabbage juice indicator is easy to make, exhibits a wide range of colors, and can be used to make your own pH paper strips.
Make your own pH indicator solution! Red cabbage juice contains a natural pH indicator that changes colors according to the acidity of the solution. Red cabbage juice indicator is easy to make, exhibits a wide range of colors, and can be used to make your own pH paper strips.
Basics of Acids and Bases Quiz - Test Your Chemistry Knowledge
Basics of Acids and Bases Quiz - Test Your Chemistry Knowledge
Basics of Acids and Bases Quiz - Test Your Chemistry Knowledge
STP Definition
STP, Standard Temperature and Pressure definition, as used in chemistry and other physical sciences.
STP, Standard Temperature and Pressure definition, as used in chemistry and other physical sciences.
Pick a Science Fair Topic
The hardest part of doing a science fair project is narrowing down the choices and picking a topic for your project or experiment. Here's some advice on where to start and how to recognize a good idea.
The hardest part of doing a science fair project is narrowing down the choices and picking a topic for your project or experiment. Here's some advice on where to start and how to recognize a good idea.
Iron Facts
Get periodic table facts on the chemical and physical properties of the element iron.
Get periodic table facts on the chemical and physical properties of the element iron.
Electronic Configuration of the Elements - General Chemistry Table - Hydrogen through Krypton
Electronic Configuration of the Elements - General Chemistry Table - Hydrogen through Krypton
Electronic Configuration of the Elements - General Chemistry Table - Hydrogen through Krypton
Flame Tests
A flame test is an easy experimental technique used to help identify a metal or ionic salt based on its emission spectrum when it is heated in a gas flame. Here's how to perfom a flame test and interpret the results of the test.
A flame test is an easy experimental technique used to help identify a metal or ionic salt based on its emission spectrum when it is heated in a gas flame. Here's how to perfom a flame test and interpret the results of the test.
Element Symbol Quiz - Test Your Chemistry Knowledge
Element Symbol Quiz - Test Your Chemistry Knowledge
Element Symbol Quiz - Test Your Chemistry Knowledge
Element Picture Quiz - Test Your Recognition of the Elements
Can you recognize the elements when you see them? Here's a quiz that tests your ability to identify an element based on its appearance.
Can you recognize the elements when you see them? Here's a quiz that tests your ability to identify an element based on its appearance.
A Chemistry Glossary Terms
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter A.
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter A.
Snow Images
Snow Images - Scanning Electron Micrographs
Snow Images - Scanning Electron Micrographs
How to Balance Redox Reactions
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry.
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry.
Everyday Chemistry Quiz - Test Your Chemistry Knowledge
Element Symbol Quiz - Test Your Chemistry Knowledge
Element Symbol Quiz - Test Your Chemistry Knowledge
Mass Percent Composition
This is a worked example problem showing how to calculate mass percent composition.
This is a worked example problem showing how to calculate mass percent composition.
Crystal Science Projects
Crystals can make interesting and fun science fair projects. Here's a look at some tips and ideas for science fair projects for crystals and crystal growing.
Crystals can make interesting and fun science fair projects. Here's a look at some tips and ideas for science fair projects for crystals and crystal growing.
BHA and BHT
Butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) are added to many foods to prevent fat spoilage. This article describes what BHA and BHT are, what they do, and how they do it. There is a fairly lengthy list of references because there is controversy over the health effects of BHA, BHT, and other additives.
Butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) are added to many foods to prevent fat spoilage. This article describes what BHA and BHT are, what they do, and how they do it. There is a fairly lengthy list of references because there is controversy over the health effects of BHA, BHT, and other additives.
Vitamin C Determination
Use this redox-based iodometric titration to determine the amount of Vitamin C or ascorbic acid in juice and other samples.
Use this redox-based iodometric titration to determine the amount of Vitamin C or ascorbic acid in juice and other samples.
Nickel Facts
Get periodic table facts on the chemical and physical properties of the element nickel.
Get periodic table facts on the chemical and physical properties of the element nickel.
Gram - Mole Conversions
Here are worked examples problems for mole to gram or gram to mole conversions.
Here are worked examples problems for mole to gram or gram to mole conversions.
Which Element Are You? - Element Personality Quiz
Which chemical element are you? Technically speaking, you mostly consist of carbon, hydrogen, and oxygen, but which element best represents your personality? Take this fun multiple choice quiz to find out.
Which chemical element are you? Technically speaking, you mostly consist of carbon, hydrogen, and oxygen, but which element best represents your personality? Take this fun multiple choice quiz to find out.
Calcium Facts
Get periodic table facts on the chemical and physical properties of the element calcium.
Get periodic table facts on the chemical and physical properties of the element calcium.
Aluminum Facts
Get periodic table facts on the chemical and physical properties of the element aluminum or aluminium.
Get periodic table facts on the chemical and physical properties of the element aluminum or aluminium.
Hydrogen Facts
Get facts on the chemical and physical properties of the element hydrogen.
Get facts on the chemical and physical properties of the element hydrogen.
Sodium Facts
Get periodic table facts on the chemical and physical properties of the element sodium.
Get periodic table facts on the chemical and physical properties of the element sodium.
Transition Metal Properties
Learn about the characteristics and common properties of the transition metals.
Learn about the characteristics and common properties of the transition metals.
Fruit Battery
If you have fruit, a couple of nails, and wire then you can generate electricity to turn on a light bulb. Learn how to make a fruit battery. It's fun, safe, and easy.
If you have fruit, a couple of nails, and wire then you can generate electricity to turn on a light bulb. Learn how to make a fruit battery. It's fun, safe, and easy.
Grow a Big Alum Crystal
Instructions for growing a big alum crystal.
Instructions for growing a big alum crystal.
Oxygen Facts
Get facts on the chemical and physical properties of the element oxygen.
Get facts on the chemical and physical properties of the element oxygen.
Fireworks
Fireworks
Fireworks
Nonmetal Properties
Get information about the common characteristics of the nonmetals.
Get information about the common characteristics of the nonmetals.
Which Mad Scientist Are You? - Mad Scientist Personality Quiz
If you were a famous mad scientist, which mad scientist would you be? Take this fun multiple choice quiz to find out.
If you were a famous mad scientist, which mad scientist would you be? Take this fun multiple choice quiz to find out.
Temperature Converter - Kelvin Fahrenheit Celsius
Temperature Converter - Kelvin Fahrenheit Celsius: celsius temperature converter fahrenheit celsius chemistry articles temperature conversion homework help
Temperature Converter - Kelvin Fahrenheit Celsius: celsius temperature converter fahrenheit celsius chemistry articles temperature conversion homework help
Biohazard Sign
Biohazard Sign
Biohazard Sign
Grow a Borax Snowflake
Grow your own sparkling clear or colored borax snowflakes.
Grow your own sparkling clear or colored borax snowflakes.
Boron Facts
Get periodic table facts on the chemical and physical properties of the element boron.
Get periodic table facts on the chemical and physical properties of the element boron.
Silver Facts
Get periodic table facts on the chemical and physical properties of the element silver or argentum.
Get periodic table facts on the chemical and physical properties of the element silver or argentum.
Gunpowder Facts and History
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
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
Tired Turkey Syndrome
Find out why everyone wants to take a nap after the big Thanksgiving Day feast. Let's talk turkey and learn about L-tryptophan and carbohydrate metabolism.
Find out why everyone wants to take a nap after the big Thanksgiving Day feast. Let's talk turkey and learn about L-tryptophan and carbohydrate metabolism.
Compound Names Chemistry Quiz
Compound Names Chemistry Quiz: multiple choice test chemistry quiz chemistry quizzes ionic compounds mineral chemistry
Compound Names Chemistry Quiz: multiple choice test chemistry quiz chemistry quizzes ionic compounds mineral chemistry
Burning Money
Set money on fire and watch it burn out without damaging the bill. This is a nice magic trick, based on everyday chemistry.
Set money on fire and watch it burn out without damaging the bill. This is a nice magic trick, based on everyday chemistry.
Sulfur Facts
Get periodic table facts on the chemical and physical properties of the element sulfur.
Get periodic table facts on the chemical and physical properties of the element sulfur.
Kitchen Science Experiments
Do you want to explore science, but can't find or can't afford chemicals? Here are science experiments and projects you can do that use common kitchen chemicals.
Do you want to explore science, but can't find or can't afford chemicals? Here are science experiments and projects you can do that use common kitchen chemicals.
College Science Fair Projects
Get ideas for science fair projects suitable for college level students. Most of these project are targeted for the freshman year.
Get ideas for science fair projects suitable for college level students. Most of these project are targeted for the freshman year.
Periodic Table of the Elements - Fireworks & Pyrotechnics
This is an interactive periodic table of the elements showing the uses of elements in fireworks and pyrotechnics.
This is an interactive periodic table of the elements showing the uses of elements in fireworks and pyrotechnics.
Make Ice Cream in a Baggie
Make Ice Cream in a Baggie - Freezing Point Depression and Colligative Properties
Make Ice Cream in a Baggie - Freezing Point Depression and Colligative Properties
Chemical Volcano
Making a baking soda and vinegar volcano is safe and easy, plus it only requires a few inexpensive kitchen ingredients.
Making a baking soda and vinegar volcano is safe and easy, plus it only requires a few inexpensive kitchen ingredients.
How Mood Rings Work
Mood rings have a stone that changes color depending on your emotions. Learn how mood rings work.
Mood rings have a stone that changes color depending on your emotions. Learn how mood rings work.
Carbon Facts
Get periodic table facts on the chemical and physical properties of the element carbon.
Get periodic table facts on the chemical and physical properties of the element carbon.
Metalloid Properties
The metalloids or semimetals share some of the properties of metals and some of the properties of nonmentals.
The metalloids or semimetals share some of the properties of metals and some of the properties of nonmentals.
Magnesium Facts
Get periodic table facts on the chemical and physical properties of the element magnesium.
Get periodic table facts on the chemical and physical properties of the element magnesium.
Noble Gas Properties
Get information about the properties shared by the noble or inert gases.
Get information about the properties shared by the noble or inert gases.
Amino Acids - Chemistry
Characteristics and Molecular Structures of Protein-Derived Amino Acids - Chemistry
Characteristics and Molecular Structures of Protein-Derived Amino Acids - Chemistry
Remove Fluoride from Water
Learn how to remove fluoride from drinking water.
Learn how to remove fluoride from drinking water.
Sports Science Projects
There is a lot of science involved in sports. Combine your love of sports with science to come up with the perfect science fair project.
There is a lot of science involved in sports. Combine your love of sports with science to come up with the perfect science fair project.
Melting Snow & Ice with Salt
Melting Snow & Ice with Salt - Colligative Properties and Freezing Point Depression.
Melting Snow & Ice with Salt - Colligative Properties and Freezing Point Depression.
Liquid Elements
There are six chemical elements that can be liquids at normal temperatures and pressures. Can you name them?
There are six chemical elements that can be liquids at normal temperatures and pressures. Can you name them?
Alkaline Earth Properties
The alkaline earths possess the properties shared by all metals, but they have characteristics common to their own group as well.
The alkaline earths possess the properties shared by all metals, but they have characteristics common to their own group as well.
Types of Crystals
Types of Crystals - Shapes and Structures
Types of Crystals - Shapes and Structures
Lithium Facts
Get periodic table facts on the chemical and physical properties of the element lithium.
Get periodic table facts on the chemical and physical properties of the element lithium.
Molecules and Moles
Learn about molecules, moles, and Avogadro's number.
Learn about molecules, moles, and Avogadro's number.
Famous Chemists
This is an alphabetical list of famous chemists.
This is an alphabetical list of famous chemists.
Chemistry Feature Articles
This is a collection of the most recent features added to About's Chemistry website, authored by Dr. Anne Helmenstine.
This is a collection of the most recent features added to About's Chemistry website, authored by Dr. Anne Helmenstine.
How to Make Liquid Magnets
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes.
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes.
Formulas of Acids & Bases
Here are the names and formulas of some of the common acids and bases.
Here are the names and formulas of some of the common acids and bases.
Element Discovery Timeline
This is a timeline showing when each of the elements was discovered.
This is a timeline showing when each of the elements was discovered.
Why Onions Make You Cry
Find out why you cry when you cut onions and how you can keep it from happening.
Find out why you cry when you cut onions and how you can keep it from happening.
Flu Vaccine Ineffectiveness
Why the Flu Vaccine Doesn't Work
Why the Flu Vaccine Doesn't Work
Hot Ice or Sodium Acetate
Sodium acetate or hot ice is an amazing chemical you can prepare yourself from baking soda and vinegar. You can cool a solution of sodium acetate below its melting point and then cause the liquid to crystallize. The crystallization is an exothermic process, so the resulting ice is hot. Solidification occurs so quickly you can form sculptures as you pour the hot ice.
Sodium acetate or hot ice is an amazing chemical you can prepare yourself from baking soda and vinegar. You can cool a solution of sodium acetate below its melting point and then cause the liquid to crystallize. The crystallization is an exothermic process, so the resulting ice is hot. Solidification occurs so quickly you can form sculptures as you pour the hot ice.
Empirical Formula
Learn how to find the empirical formula from percent composition data.
Learn how to find the empirical formula from percent composition data.
Gold Facts
Get facts on the chemical and physical properties of the element gold.
Get facts on the chemical and physical properties of the element gold.
Science Magic Tricks
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.
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.
Potassium Facts
Get periodic table facts on the chemical and physical properties of the element potassium.
Get periodic table facts on the chemical and physical properties of the element potassium.
Periodic Table of the Elements Quiz - Test Your Chemistry Knowledge
Periodic Table of the Elements Quiz - Test Your Chemistry Knowledge
Periodic Table of the Elements Quiz - Test Your Chemistry Knowledge
Halogen Properties
The halogens are a specific group of nonmetals with some distinctive properties.
The halogens are a specific group of nonmetals with some distinctive properties.
Blank Periodic Table
Fill in the boxes of this blank periodic table.
Fill in the boxes of this blank periodic table.
Most Abundant Element
Most abundant element in the universe and on the earth.
Most abundant element in the universe and on the earth.
Bouncing Polymer Ball
Use chemistry to make a bouncing polymer ball, then alter the procedure to see the effect the changes have on the charactertistics of the bouncing ball.
Use chemistry to make a bouncing polymer ball, then alter the procedure to see the effect the changes have on the charactertistics of the bouncing ball.
Stainless Steel
Explanation of Why Stainless Steel Resists Rust and Corrosion
Explanation of Why Stainless Steel Resists Rust and Corrosion
How Does Soap Clean - Chemistry of Soap and Saponification
Explanation of how soaps clean - Chemistry of Soap and Saponification
Explanation of how soaps clean - Chemistry of Soap and Saponification
Chemistry Projects for Kids
Are you searching for something fun and educational to do that is suitable for kids? Here are some great chemistry activities and projects to get you started.
Are you searching for something fun and educational to do that is suitable for kids? Here are some great chemistry activities and projects to get you started.
Periodic Table Study Guide
Learn about the periodic table of the elements. Find out about the history of the periodic table, how the elements are organized, and how to use the periodic table to predict the behavior of unfamiliar elements.
Learn about the periodic table of the elements. Find out about the history of the periodic table, how the elements are organized, and how to use the periodic table to predict the behavior of unfamiliar elements.
Make Rock Candy
Rock candy is candy made by crystallizing sugar. You can grow sugar crystals yourself, plus add color and flavor to make rock candy that you can eat.
Rock candy is candy made by crystallizing sugar. You can grow sugar crystals yourself, plus add color and flavor to make rock candy that you can eat.
Grow Table Salt Crystals
It's easy to grow your own table salt or sodium chloride crystals. All it takes is salt and boiling water. One method even yields crystals within a few hours. Here's what you need to know.
It's easy to grow your own table salt or sodium chloride crystals. All it takes is salt and boiling water. One method even yields crystals within a few hours. Here's what you need to know.
Helium Facts
Get facts on the chemical and physical properties of the element helium.
Get facts on the chemical and physical properties of the element helium.
Science Project Types
Learn about the five types of science fair projects, then decide which is right for you.
Learn about the five types of science fair projects, then decide which is right for you.
Reaction Rate Factors
Several factors affect the rate at which chemical reactions proceed. Understanding these factors will help you predict the direction and speed of a chemical reaction.
Several factors affect the rate at which chemical reactions proceed. Understanding these factors will help you predict the direction and speed of a chemical reaction.
Rock Tumbler Basics
Are you considering getting a rock tumbler? Before you make a purchase, learn about the different types of rock tumblers and get tips on choosing the best tumbler for your needs.
Are you considering getting a rock tumbler? Before you make a purchase, learn about the different types of rock tumblers and get tips on choosing the best tumbler for your needs.
Write a Science Report
Your science fair project may require a lab report or essay. Here's how to prepare a report to document your research.
Your science fair project may require a lab report or essay. Here's how to prepare a report to document your research.
Carbon Monoxide Detectors
Learn why carbon monoxide is dangerous to your health and how carbon monoxide detectors and alarms work.
Learn why carbon monoxide is dangerous to your health and how carbon monoxide detectors and alarms work.
Element Groups - Periodic Table of the Elements
Groups of Elements - This is an interactive periodic table of the elements.
Groups of Elements - This is an interactive periodic table of the elements.
Hard and Soft Water
Chemistry of hard and soft water, with information about soaps, detergents, and water softening agents.
Chemistry of hard and soft water, with information about soaps, detergents, and water softening agents.
Tin Facts
Get periodic table facts on the chemical and physical properties of the element tin.
Get periodic table facts on the chemical and physical properties of the element tin.
Effectiveness of Sports Drinks
Sports Drinks - Do They Hydrate Better? Comparison of beverages for hydrating during exercize
Sports Drinks - Do They Hydrate Better? Comparison of beverages for hydrating during exercize
How to Make Aspirin
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.
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.
Titanium Facts
Get periodic table facts on the chemical and physical properties of the element titanium.
Get periodic table facts on the chemical and physical properties of the element titanium.
Carbon
Photograph of graphite, one of the forms of elemental carbon.
Photograph of graphite, one of the forms of elemental carbon.