Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Word color association is just a fancy way to talk about the way we connect colors with words.

This project examines whether people's taste perception is influenced by what they see.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this activity, your child will be challenged to make a tower using paper cups.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.