Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

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

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

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.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

This science fair project idea demonstrates that plants give off water.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)