Edible Science Projects

You don't have to visit a candy store to get colorful rock candy. See how easy it is to grow your own sparkling (and tasty) rock candy crystals at home.

Rumor has it you can freeze a Mentos candy into an ice cube and place it in a carbonated drink. When the ice cube melts, the wax surrounding the candy will be exposed and the drink should fizz violently. Does it work? Let's find out.

Nearly all of the slime recipes are non-toxic, but that doesn't mean the ingredients or slime are good enough to eat. This is a collection of edible slime recipes. Some edible slime tastes good; some edible slime tastes terrible. All of these recipes are safe to eat as food.

Making maple syrup crystals is a fun project for children. It's great for adults, too, since the maple syrup crystals may be used in place of sugar as a pretty addition to drinks or other treats. Here's how to make the crystals.

Do you want to grow a big single crystal instead of a mass of crystals? Then try out these instructions for growing a big alum crystal. You can apply the techniques used here to grow big single crystals of other substances, too.

Making a baking soda and vinegar volcano is safe and easy, plus it only requires a few inexpensive kitchen ingredients. Here are detailed instructions for making a volcano, plus a look at the chemical reactions involved.

This is a twist on the classic baking soda volcano, where you use the ingredients to make squirt-able fountains of foam.

The purpose of this science fair project is to determine whether caffeine affects typing speed.

Use dry ice to carbonate fruit. The fruit will be filled with tingly carbon dioxide bubbles, like a soda. The fizzy fruit is great to eat on its own or it can be used in recipes.

Chocolate slime is the ultimate flavored edible slime! This slime recipe is easy to make, fun to play with, and tastes good.

Chemistry and cooking share a lot in common! You can have some Christmas chemistry fun in the lab making these peppermint cream wafer candies.

Analyze the dyes used in your favorite candies with paper chromatography using a coffee filter, colored candies, and a salt solution.

Are you in a hurry for your ice cream? Try this quick and easy dry ice ice cream recipe. The ice cream comes out carbonated, so it's very interesting.

Making a simulant is a form of chemistry, right? Here are instructions for making your own edible fake barf. Ick!

Most slime recipes are non-toxic, but there are only a few you can actually eat and none that taste as good as this one! Here's how to make edible slime.

Perform an experiment to observe the effects of acids, bases, and water on the rate of browning of cut apples or other produce.

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!

This is a recipe for an edible fake blood which you can color blue or green for insects, spiders, and other arthropods, or perhaps for aliens.

These instructions will result in either clear or amber glass, depending on the cooking time used.

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

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.

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.

These are step-by-step instructions on how to make fruity putty.

Colorful gelatin shapes can be used to make jewelry, mobiles, decorations, and more!

Learn how to make ice cubes that will glow in the dark when exposed to a black light. The glowing ice is easy to make and safe to use in drinks.

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.

It's incredibly easy to make Jell-O or other gelatin glow under a black light. Here's what you do.

Honeycomb candy is an easy-to-make candy that has an interesting texture caused by carbon dioxide bubbles getting trapped within the candy.

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.

Lemon juice is acidic and weakens paper. When paper is heated, the remaining acid turns the writing brown before discoloring the paper.

Cold breakfast cereals are usually fortified with iron. What does the iron look like? Find out here!

This recipe results in an edible, fruit-scented playdough.

This is a recipe for non-toxic sticker glue.

If you add food coloring to milk, not a whole lot happens, but it only takes one simple ingredient to turn the milk into a spinning color wheel. Here is what you do.

Here's a look at the before, during, and after of a mentos and diet soda fountain. It's a great science project that is easy and safe to do.

There are several ways you can make homemade clay for modeling, making ornaments, and for other projects and crafts. Here are several clay recipes, including a refrigerator clay, a clay you bake to harden, one you coat for a glossy finish, and one that works up and stays pliable much like store-bought modeling clay.

These finger paints are just right for aspiring artists! Use soap and water for clean-up. Be aware that the food coloring could stain fabrics and furniture.

Make a rainbow in a glass using colored sugar solutions with different densities. This project is very easy and safe enough to drink.

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.

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.

This is the recipe for a singing cake. The cake sings while baking and then it is ready to eat!

Here is a collection of several quick and easy recipes for ice cream you can make using snow.

You can cool water below its stated freezing point and then crystallize it into ice on command. This is known as supercooling. These are step-by-step instructions for supercooling water at home.

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.

Find an edible experiment for a science project or just for fun! This is a collection of experiments that are so safe, you could actually eat them.

Make edible gel balls or chameleon eggs that change color in soda or lemonade. These chameleon eggs make a great acid-base, pH indicator and polymer chemistry project.