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.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

In this project, the affect of acid rain is simulated by the acid, vinegar.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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

This science fair project idea explores whether talking to a plant will help it grow.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

This science fair project idea determines what household items are good conductors of electricity.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Have your child kick off their summer vacation by making a miniature water slide!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.