This science fair project idea investigates the difference in reaction times between boys and girls.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea explores substances that cause a bubble to last longer.

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

This science fair project idea investigates how color affects temperature.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

The project investigates how friction affects motion by using different surface textures.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

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

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.