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How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

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

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.