This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

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.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Test whether plants can grow without sunlight and water.

This science fair project idea examines which type of insulation holds in the most heat.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.