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.

Get a better understanding of water content by dehydrating carrots.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

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

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Checkerboard play challenges students to use spatial reasoning and computational thinking.

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

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.

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.

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.

In this activity your child will create their very own marble maze!

The objective of this science fair project is to investigate salt water density.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.