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

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Learn all about balance and motion as your child designs a corn maze!

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This science fair project examines how seeds hitchhike on animals and clothing.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

An home science experiment for older students that teaches about the science behind heat.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.