The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

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!

Examine whether males or females are more likely to have a higher center of gravity.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Will male or female hair grow faster? Find out in this science fair project idea!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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!

Here's a way to make history both interesting and relevant: design a garden using plants that were used by people in colonial times!

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea explores whether cats can be trained in the same way that dogs can.