This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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

Slip some science into storm watching with a homemade rain gauge!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Do you think heat can affect a plant's growth rate?

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.