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

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

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

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

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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.

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.

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

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

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."

In this science project, the center of gravity is explored.

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.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with 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 project investigates how friction affects motion by using different surface textures.

This science fair project idea investigates whether air has mass and weight.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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