What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Give your budding young observers a chance to discover simple machines at use in their own home.

This surprisingly good glue recipe comes from common kitchen items.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea produces sounds by creating vibrations using different objects.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

What happens when colored beams of light mix? You might be surprised.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Try this chemistry experiment with your curious kid and get some "shocking" results!

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

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!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!