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This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Start your toy engines -- this is going to be a fast and friction-filled race!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Slip some science into storm watching with a homemade rain gauge!