In this project children practice the scientific method while playing with puffy paint.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

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!

Here's a science activity to help your child investigate how seeds are designed to travel.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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

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

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

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!

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

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!

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