There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

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.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

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.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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.