This science fair project idea explores which fruit molds the fastest.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Construct and experiment with a periscope using reflected light rays to gather an image.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Check out this cool science fair project on identifying rocks and minerals for kids.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Discover whether a metal will expand under hot water.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This project examines what types of objects burn and which burn faster and cleaner.