Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea determines which method of hand cleansing is the most effective.

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

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

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!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Help your child make a beautiful homemade sandcastle that will last!