Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project idea investigates if fats add to the flavor of food.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project idea explores the egg's thin membrane.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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

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.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Help your child make a beautiful homemade sandcastle that will last!

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

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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

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