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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project idea explores whether white light can be separated into different colors.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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

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!

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

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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.

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!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.