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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This project determines what category of person is most likely to be ticklish.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Learn about nature by making your own mini moss garden.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Test whether plants can grow without sunlight and water.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Using a toy race car kids create a visual model of the Doppler Effect.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.