This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This surprisingly good glue recipe comes from common kitchen items.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

Make a backbone model to explore human anatomy and life science.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This science fair project idea explores the egg's thin membrane.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

This science fair project idea compares biodiversity between drops of water.

In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project idea investigates how color affects temperature.

This science fair project idea investigates the hardness property of minerals.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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!