The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

This project examines whether and what associations exist between numbers and letters and colors.

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.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project idea determines what household items are good conductors of electricity.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this science fair project, young children notice and track changes in trees throughout the year.

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

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

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

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.