Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

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.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Try this chemistry experiment with your curious kid and get some "shocking" results!

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

This science fair project idea explores how length affects the weight a bridge can hold.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Make a backbone model to explore human anatomy and life science.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

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

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

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