Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Slip some science into storm watching with a homemade rain gauge!

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

This science fair project idea explores how length affects the weight a bridge can hold.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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?

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

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

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

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

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

In this activity your child will create their very own marble maze!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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

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.

In this activity, your child will be challenged to make a tower using paper cups.