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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.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project idea explores substances that cause a bubble to last longer.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

This science fair project idea investigates how the shape of an object affects drag.

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

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.

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

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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."

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.

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

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

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

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!

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

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

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

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

The goal of this project is to create an exciting topographical map out of dough.