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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

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

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!

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

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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 researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

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

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

In this science project, the center of gravity is explored.

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

Examine the effect of pressure on carbonation in soda.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

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

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.