This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Test whether plants can grow without sunlight and water.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Here's a pressed leaf card project that puts science and writing together for your second grader.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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!

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

This science fair project teaches students about wilting and browning of salad greens.

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.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!