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.

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.

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

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

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

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.

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

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 teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project determines what category of person is most likely to be ticklish.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.