This science fair project idea determines if the temperature of rubber effects how high it bounces.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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.

This project compares the strength of one, two, and three-ply toilet paper.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea produces varying pitches of sound.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Find out which kind of bubble wrap fares best when put in impact.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

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.

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

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Is your child a young ornithologist in the making?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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