This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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

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

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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

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

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 idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Learn how different types of soil affect how animal tracks form in this experiment!

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

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

Using a toy race car kids create a visual model of the Doppler Effect.

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

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?

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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!

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

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

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 science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?