How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

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

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Do different types of oil mix or stack? Find out in this science fair project idea!

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.