The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

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!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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!

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

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?

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

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

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

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.