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

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This science fair project idea investigates how color affects temperature.

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

This science fair project idea investigates how the shape of an object affects drag.

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!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This science fair project idea explores how length affects the weight a bridge can hold.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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!