In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this project children practice the scientific method while playing with puffy paint.

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

This project determines what category of person is most likely to be ticklish.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This project investigates the affect of storage temperature on microwave popcorn.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Using a toy race car kids create a visual model of the Doppler Effect.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Test whether plants can grow without sunlight and water.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?