Demonstrations - Experiments
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- Chemistry Demonstrations (190)
- Chemistry Experiments (42)
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Chemistry Laboratory Safety Rules
Make your chemistry laboratory experience safe by following these simple rules.
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.
Laboratory Safety Quiz
Are you a safe scientist or a menace to yourself and others in the chemistry lab? Here's a ten question quiz you can take to test yourself. It's sarcastic and maybe even a little mean, but... some accidents just shouldn't happen.
Is It Safe to Use Kitchen Glassware for Chemistry?
Is it safe to use your kitchen glassware and utensils for chemistry experiments? Here's a look at some of the risks involved in using your dishes for chemistry.
There are lots of recipes for slime. Since most recipes are easy, look for one using ingredients you have on hand.
Glow in the Dark Slime
What is better than regular slime? Slime that glows in the dark, of course! This is an easy and fun project that is suitable for kids.
Baking Soda and Vinegar Volcano
Okay, it's the kitchen equivalent of a volcano, not a real one. The 'eruption' is cool all the same! It's also more or less non-toxic, which adds to its appeal.
Chromatography with Candy and Coffee Filters
Analyze the dyes used in your favorite candies with paper chromatography using a coffee filter, colored candies, and a salt solution.
Smoke Bomb Instructions
You can easily make a smoke bomb using inexpensive materials to produce safe smoke.
Top Chemistry Demonstrations & Activities
This is the list of my personal favorite chemistry demonstrations and activities. They tend to involve pretty colors, fire, or ice. Some projects require adult supervision or access to a chemistry lab. Others are easy and safe enough for kids to perform.
Top Chemistry Projects for Bored Kids
Are you searching for something fun and educational to do that suitable for kids? Here are some great chemistry activities and projects to get you started. They are safe and use easy-to-find materials.
Top Chemistry Projects You Can Do at Home
Don't worry if you don't have a chemistry lab. These projects use materials you can find around the house.
Science Fair Project Help
Science fair projects are a great way to learn about experimentation, the scientific method, and science concepts. However, it can be hard to find an idea or get answers to questions once you get started. Here is a collection of resources to give your project the winning edge.
Chemistry How-To Guide
From your About Chemistry Guide, these are recipes for education and family fun, as well as interesting experiments and demonstrations.
Slime Step-By-Step Instructions
Slime is easy and fun to make, plus it only requires glue, borax, and water. Here are step-by-step instructions for making classic slime, complete with photos.
Aspirin Synthesis - 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.
Baggie Chemistry - Experiment with Chemical Reactions
Introduce students to chemical reactions and experimentation using common materials and baggies.
Baking Soda & Vinegar Foam Fight
This is a twist on the classic baking soda volcano, where you use the ingredients to make squirt-able fountains of foam.
Barking Dog Reaction
The Barking Dog chemistry demonstration is based on an exothermic reaction between nitrous or nitric oxide and carbon disulfide. Ignition of the mixture results in a bright blue chemiluminescent flash accompanied by a characteristic barking sound.
Bend Water with Static Electricity
Use static electricity to bend a stream of flowing water. This is an easy science activity that illustrates how opposite electrical charges attract each other.
Black Powder or Gunpowder
Black powder is used as a propellant for bullets, as well as for fireworks and rocketry. Use these instructions for history, not practical application!
Black Snakes or Glow Worms
You can make black snake or glow worm fireworks yourself, safely and easily.
Blue Bottle Color Change Demonstration
Learn how to perform the blue bottle chemistry demonstration, in which a blue liquid becomes clear, then returns to blue when swirled around. Instructions are also given for red -> clear -> red and green -> red -> green reactions.
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.
Briggs-Rauscher Oscillating Color Change Reaction
The Briggs-Rauscher reaction, also known as 'the oscillating clock', is one of the most common demonstrations of a chemical oscillator reaction. Three colorless solutions are mixed together, producing a mixture that oscillates between clear, amber, and deep blue.
Bubble prints are like fingerprints, except made with bubbles. You can make bubble prints and learn about how bubbles are shaped and how pigments combine to make different colors.
Burning Money Chemistry Demonstration
Set money on fire and watch it burn out without damaging the bill. This is a nice magic trick, based on everyday chemistry.
Chemistry Fun with Pennies
Use pennies, nails, and a few simple household ingredients to explore some of the interesting properties of metals. Clean the pennies chemically, make verdigris, and plate the nails with copper.
Chemistry of Smoke Machines
Have you ever wondered how smoke machines work or wanted to make your own smoke or fog? Here's your chance to find out how it works. There are separate sections for each type of non-toxic smoke generator, together with important safety tips.
Christmas Chemistry - Make Peppermint Cream Wafers
Chemistry and cooking share a lot in common! You can have some Christmas chemistry fun in the lab making these peppermint cream wafer candies.
Classic Chemical Volcano
Here are the instructions for making the classic chemical volcano. This demonstration uses ammonium dichromate to produce 'Vesuvius fire', with glowing sparks and a cone of deep green ash.
Cloud in a Bottle Demonstration
Here's a quick and easy science project you can do: make a cloud inside a bottle. This simple project uses water vapor and smoke from a match to help form a cloud.
Have you ever wanted to color fire? Here are simple, nontechnical instructions for making your own colored flames. Add extra interest to your fireplace or campfire!
Colored Fire Spray Bottles
You can spritz a flame with chemicals to change the color of the fire. Colored fire spray bottles are easy to prepare and use common chemicals.
Colored Smoke Recipes
Colored smoke is easy to make and requires few ingredients. Here's a list of some colored smoke formulations to try.
Colored Soap Bubbles
Make brightly colored pink and blue soap bubbles that won't stain clothing or surfaces.
Copper Plating Christmas Ornament
Copper plate a holiday decoration as a Christmas ornament or for other decorative uses.
Dancing Gummi Bear Demonstration
Place a Gummi Bear candy into a test tube containing molten potassium chlorate and watch it dance amidst purple flames. This stunning demonstration is an example of a strongly product-favored reaction, plus it's a lot of fun.
Disappearing Ink Instructions
Learn how to make blue or red ink that will disappear after exposure to air. Tips for restoring the color and an explanation of the acid-base chemistry of the reaction are also included.
Elephant Toothpaste Chemistry Demonstration
The elephant toothpaste chemistry demonstration produces copious amounts of steaming foam that looks like the toothpaste an elephant might use. Here's how to set up this demonstration and a look at the reactions behind it.
Endothermic Reaction Demonstration
Here's an endothermic reaction demonstration that is easy to do and cold enough to freeze water.
Effect of Acids and Bases on the Browning of Apples
Perform an experiment to observe the effects of acids, bases, and water on the rate of browning of cut apples or other produce.
Egg in a Bottle Demonstration
You don't see air and might not think much of it is contained in a bottle, but air and the pressure it exerts can be very powerful. The egg in a bottle demonstration illustrates the concept of air pressure.
This recipe makes cool, non-toxic slime that appears to have a life of its own!
Endothermic Reaction Examples
Are you looking for examples of endothermic reactions for homework or to set up a demonstration? Here's a list of several heat-absorbing or endothermic chemical reactions and processes.
Endothermic Reaction (Safe)
Most endothermic reactions contain toxic chemicals, but this citric acid and sodium bicarbonate reaction is safe and easy.
Ethanol or Moonshine Instructions
Moonshine is a liquor made from fermented corn. Learn about distillation, condensation, and how this alcoholic beverage is made.
Exothermic Chemical Reaction
Exothermic chemical reactions produce heat. In this reaction vinegar is used to remove the protective coating from steel wool, allowing it to rust. When the iron combines with oxygen, heat is released.
Experimental Determination of Avogadro's Number
Did you know that Avogadro's number isn't a mathematically derived unit. The number of particles in a mole of a material is determined experimentally. This easy method uses electrochemistry to make the determination.
Fake Snow Instructions
You can make fake snow using a common polymer. The fake snow is non-toxic, feels cool to the touch, and looks similar to the real thing.
If you can find a tee shirt and some lighter fluid, you can make small fireballs. These fireballs are re-useable. Theoretically, you can hold them in your hand.
Fitzroy's Storm Glass
This article introduces a type of weather glass that uses characteristics of precipitants and barometric pressure changes to forecast weather. There are instructions for making a storm glass and links for further meteorology, HMS Beagle, Darwin, and Fitzroy information. Be aware that construction of this storm glass may be dangerous!
Make your own version of Floam, a type of slime that contains polystyrene beads so that you can mold it into shapes.
Fried Green Egg
Red cabbage juice contains a natural pH indicator that changes color from purple to green under basic (alkaline) conditions. You can use this reaction to make a fried green egg.
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.
Fruit Ripening and Ethylene Experiment
Measure the ripening of fruit from exposure to the plant hormone ethylene by testing starch levels with an iodine solution. This easy experiment can be performed on several types of fruit, such as apples, pears, and bananas.
Geode of Copper Sulfate Crystals
Geodes are rocks that contain crystals. Normally, millions of years are required for flowing water and minerals to deposit crystals, but you can make your own 'geode' in only a few days. Grow blue copper sulfate crystals inside an egg shell to make your own geode.
Glow in the Dark Crystal Geode
It's very easy to make a glow in the dark crystal geode. The rock is a natural mineral (eggshell). You can use one of several common household chemicals to grow the crystals. The glow comes from phosphorescent paint, which you can get from a craft store.
Glow-in-the-Dark Crystal Snowflake
Learn how to make a glow-in-the-dark crystal snowflake or other glowing holiday ornament. This is a safe and easy project that's great for kids and kids-at-heart. The crystal decorations are light-weight and inexpensive to make.
Glow in the Dark Ink
These are instructions for making glow in the dark ink. However, the instructions are presented as a curiosity or for information only, NOT for use.
Glow in the Dark Mentos & Tonic Water Fountain
It's easy to make a mentos and soda eruption glow. All you need to do is use tonic water or diet tonic water instead of the usual diet soda and shine a black light on the fountain.
Glow in the Dark Mountain Dew
All it takes is a few easily-obtained materials to turn a bottle of Mountain Dew into a glow in the dark bottle of Mountain Dew.
Gold and Silver Pennies
Take copper pennies and turn then silver, then make them gold. This is an easy chemistry project that uses common laboratory chemicals.
Green Fire Instructions
It's easy to make brilliant green fire. This cool chemistry project only takes two household chemicals.
Hollow Penny Project
This is an easy chemistry project that uses common materials. You take a post-1982 penny, score the copper surface to expose the zinc interior, react the zinc with acid, and are left with a hollow copper penny.
Home and Garden pH Indicators
Here's a list of common household substances and garden plants that can be used as pH indicators. Many of the active molecules, expected color changes, and pH ranges are listed.
How to Grow Great Crystals
Do you want to grow crystals, but you aren't sure where to start or what to do to make sure your crystals turn out well? Here's some basic information on crystal growing. I've provided links to recipes so you can start growing crystals. These instructions are general, so if your recipe calls for something special (like no vibrations or dark), be...
Instant Fire Chemistry Demonstration
Learn how to perform the instant fire chemistry demonstration in which potassium chlorate and sugar are reacted to produce an incredible purple flame and a lot of smoke.
Ice Cream in a Baggie
Make a tasty treat and learn about freezing point depression, too! All you need are some basic ingredients and two ziploc baggies. It's easy, fun, and educational.
Identify an Unknown - Experiment with Chemical Reactions
Use this chemistry lesson plan to help students use the scientific method to design experiments to identify the components of an unknown mixture.
Invisible Ink - Corn Starch
The writing for this invisible ink technique is done using corn starch. An iodine solution is used to reveal the message.
Make your own invisible ink so you can write and reveal secret messages. Get information about inks that are activated by heat, chemical reactions, and ultraviolet light.
Iron from Breakfast Cereal
Cold breakfast cereals are usually fortified with iron. What does the iron look like? Find out here!
Ivory Soap Microwave Trick
Microwave a bar of Ivory soap and watch it expand to over six times its original size. The foam trick is good clean fun, plus it can be used to demonstrate Charles' Law, physical change, and foam formation.
Kid-Friendly Elephant Toothpaste Demo
The elephant toothpaste demo produces a growing column of foam that looks like what you would get if an elephant squashed a giant tube of toothpaste. Here's a kid-friendly version of this classic chemistry demonstration.
Lichtenberg figures essentially capture the image of lightning. Here's how you can make your own Lichtenberg figure from common materials.
Liquid Magnets - Synthesize Ferrofluid
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.
Liquid Nitrogen Ice Cream
Make liquid nitrogen ice cream as a cool cryogenics or phase change demonstration or for a quick and tasty treat.
Luminol Chemiluminescence Test for Blood
You can use the luminol chemiluminescence reaction as a quick and easy forensic test for blood. Here's a look at what you need to perform the test, how to do it, and an explanation of how the luminol test works.
Magic Rocks - Chemical Garden
Learn about the chemistry behind magic rocks and make your own chemical crystal garden.
Mentos & Diet Soda Chemical Volcano
Candies and diet soda together can make a chemical 'volcano' with an eruption several feet high. If the normal baking soda volcano is too tame for you, give this project a try.
This recipe makes a non-sticky sort of 'rubber' or gelatinous slime.
Mixture and a Compound from Iron and Sulfur
Do you know the difference between a mixture and a compound? Combine iron and sulfur to make a mixture and then react them to form a chemical compound.
Nitrogen Triiodide Chemistry Demonstration
Learn how to perform the nitrogen triiodide chemistry demonstration, a spectacular touch-sensitive decomposition that produces a cloud of purple smoke and a loud 'snap'.
Learn how to make Oobleck, a type of slime that has properties of both liquids and solids.
Perform the Mohs Test
The Mohs test is one way to determine the hardness of a rock or mineral. You can use the Mohs hardness to help identify an unknown specimen. Here's how you can do the test yourself.
Poinsettia pH Paper
You can make pH indicator from poinsettia flowers, then use the indicator to make your own pH paper test strips.
Potato Clock - Make a Potato Battery to Power an LED Clock
A potato can function as an electrochemical cell or battery. It's fun to use a potato to power an LED clock.
Quick Crystal Growing Projects
Grow crystals quickly and easily with these top crystal growing projects.
Quick Sheet Crystals
If you don't have the time or patience to grow crystals over hours, days, or longer, try growing these sheet crystals. You'll get results in seconds!
Rainbow in a Glass Density Demonstration
Make a rainbow in a glass using colored sugar solutions with different densities. This project is very easy and safe enough to drink.
Make beautiful paper from recycled scraps of just about any paper project you can find. Learn how to add decorative items to your paper and prepare it for writing or stamping. This is a fun craft that teaches about recycling while making a useful handmade product.
Red Cabbage pH Indicator
Make your own pH indicator 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.
Red Cabbage pH Paper
Learn how to make your own pH indicator test strips using red cabbage. This is a fun, safe, and easy chemistry project that you can do at home.
Science Projects Photo Gallery
The best part about science projects is actually doing them, but seeing them is pretty cool too. This is a photo gallery of science projects so you can see what to expect from projects. I've included links to instructions for doing these projects yourself or buying kits online.
Sharpie Pen Tie Dye
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.
Silly Putty Chemistry
Learn about the history of Silly Putty, how it works, how to make your own, and what you can do to explore the interesting properties of this viscoelastic liquid.
Smoking Fingers Trick
Make your fingers smoke when you rub them together and glow in the dark. All you need is a matchbox and a way to burn the striker portion.
These are the instructions for making your own gentle hand or face soap. It's work, but worth the effort!
Snow Globe Using Benzoic Acid
Snow made from water crystals melts at room temperature, but snow made from benzoic acid crystals will still be decorating your snow globe when the weather warms up. Here's how to make a snow globe by precipitating benzoic acid to make the 'snow'.
Learn how to make your own sparklers, for Independence Day or New Years Day fun. Use your understanding of chemistry to color the sparks.
Sulfur Hexafluoride Demonstrations
Sulfur hexafluoride is a non-toxic, invisible gas that you can use to perform interesting chemistry demonstrations. Breathe it in and make your voice much deeper when you talk. Pour it into a container and float an airplane or a ship on 'nothing'.
Sulfuric Acid and Sugar Demonstration
Ordinary table sugar and sulfuric acid react to produce a growing black column. This demonstration is an example of an exothermic reaction and a dehydration reaction. It is good for discussions about the nature of carbohydrates, hydrogen bonds, and carbon properties.
Table Salt or Sodium Chloride 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.
Ultimate Colored Smoke Bomb
Make a smoke bomb that billows clouds of brightly colored smoke. This project is easy and safe enough to at home. Adult supervision is required.
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.
Water - Wine - Milk - Beer Chemistry Demo
Here's a color change chemistry demo in which a solution seems to change from water to wine to milk to beer simply be being poured into the appropriate beverage glass.
Water into Wine Demonstration
Turn a clear liquid into a red liquid, then back to clear again. This demonstration is commonly called turning water into wine or blood, and can be used to demonstrate acid-base indicators.
What Materials Glow Under a Black or Ultraviolet Light?
Black lights emit ultraviolet radiation, giving certain materials an eerie glow. Which materials? You can do a little experimental research or you can check out this list!
White Smoke Chemistry Demonstration
Learn how to perform the white smoke chemistry demonstration, in which a cloud of ammonium chloride crystals are produced from reacting ammonia and hydrochloric acid.
Yeast & Hydrogen Peroxide Volcano
Here's how to make a safe and easy chemical volcano using two common inexpensive household ingredients.
Special Effects Science
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 "science." Take a look at the science behind movie special effects and stagecraft and learn how you can create this special effects yourself.