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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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?

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.

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

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

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

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

This science fair project idea explores how length affects the weight a bridge can hold.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science fair project idea investigates how the shape of an object affects drag.

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

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.

Learn all about balance and motion as your child designs a corn maze!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.