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.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this project students experiment with making music using only glasses of water.

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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea determines the most effective method of preserving food.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Discover how and which salt melts ice the quickest.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

How do organic materials become soil? This science experiment measures what materials biodegrade.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.