15 Easy Science Experiments Kids Can Make With Food

Science is fun. It's even more fun when it tastes good. Whether you homeschool your kids or you just want to learn (and eat) something together, we found 15 science experiments that will excite kids' minds and tickle their taste buds.  

Did you know you can easily make edible slime or cook s'mores using the power of the sun? These edible science experiment ideas are truly "brain food" — try them for yourself!

Peeps Science Experiment

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Gift of Curiosity

Everyone loves Peeps — and these days, you can find them (in other shapes) year round, so this experiment by Gift of Curiosity isn't just a spring project. Soak Peeps in a variety of liquids and — after hypothesizing — see how the sugar reacts to each.

Engineering Jelly Beans

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Lemon Lime Adventures

With just jellybeans and toothpicks, your STEM-loving kids can create building blocks like these found on Lemon Lime Adventures. See how tall they can build a structure before it falls. Take the project a step further and build molecule structures out of the jelly beans and toothpicks as well.

Density of Fruit

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EDVentures with Kids

Want to teach your kids about density? Show with an experiment by EDVentures with Kids where you drop pieces of fruit in a clear bucket of water. Which pieces of fruit float and which ones sink? Take some educated guesses before you toss the fruit in the water.

Marshmallow Constellations

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Munchkins and Moms

Teach your kids about constellations and stars with a hands-on activity from Munchkins and Moms. Using mini marshmallows, toothpicks, and an edible yellow marker, this easy lesson is a great and sweet introduction into astronomy.

Edible Marshmallow Play Dough

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One Little Project

Make a yummy non-Newtonian substance (which is neither liquid nor solid) using a recipe from One Little Project. The ingredients are marshmallows, corn starch, coconut oil, and food coloring. This is the type of play dough you don't have to worry about kids nibbling on. 

More from CafeMom: 10 Cool Backyard Science Projects You'll Love as Much as Your Kids Will

Dancing Worms

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Play Dough to Plato

Here's a simple experiment for your budding scientists from Play Dough to Plato. Soak gummy worms in a baking soda mixture. Then pop them in a glass of vinegar. The gas bubbles created by the chemical reaction of mixing vinegar and baking soda will make the gummy worms dance.

Solar S'mores

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Lemon Lime Adventures

Teach your kids the power of solar energy with this experiment from Lemon Lime Adventures. Make a solar oven using an old pizza box, tin foil, black construction paper, and plastic wrap. Then prep the s'mores ingredients. Set the timer to see how long it takes for the sun to melt it.

Edible Sedimentary Rock Recipe

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Rainy Day Mum

Here's a yummy recipe from Rainy Day Mum that doubles as a science lesson on sedimentary rocks (rocks that formed by settling layers of sand, dirt, and shells). Which layer is the oldest? Which is the newest?

Lemon Batteries

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Preschool Inspiration

Did you know that you can light up 3-volt LED lights with lemons? Katie from Preschool Inspiration shows you how. All you need are some galvanized nails, copper, LED lights, and lemons. Surprisingly, each lemon produces 0.9 volts of electricity.

Colorful Lemonade

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Left Brain Craft Brain

Your kids are going to go crazy over this sweet drink from Left Brain Craft Brain. Add butterfly pea flower tea (find it on Amazon) to your favorite lemonade recipe and watch the yellow lemonade turn purple. That's because butterfly pea flowers change color as the pH changes. 

More from CafeMom: 12 Science Experiments Kids Can Create at Home

Edible Igneous Rock Recipe

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Rainy Day Mum

Did you know that igneous rocks are created when molten rock cools quickly? (Think pumice.) What's cool about this candy recipe from Rainy Day Mum is that it mimics igneous rocks. As the candy cools, it is left with holes — just like pumice rocks.

Candy Agate Slices

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Sugar, Spice and Glitter

Jennifer from Sugar, Spice and Glitter rocks. She created a recipe that doubles as a teaching tool on how geodes are made. By melting a variety of hard candies, your family can make some beautiful and tasty treats that look like agate slices.

Growing Gummy Bears

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Play Dough to Plato

Here's a fun experiment from Play Dough to Plato that tastes pretty good too. Hypothesize whether or not gummy bears will grow bigger in salt water vs. regular water. Then see what happens.

Rainbow Water Soluble Science Experiment

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Gift of Curiosity

Katie from the Gift of Curiosity has come up with a beautiful experiment where your kids can actually taste the rainbow. The M&M's hard shell dissolves in water and creates a colorful creation.

Edible Slime

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Teach Beside Me

Karyn from Teach Beside Me gives a fun twist to the slime-making craze — she made it edible. Using Starburst candies, corn starch, and powdered sugar, your kids can make their own slime and snack on it while they play with it.

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