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Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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.

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

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.

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

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.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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 produces varying pitches of sound.

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

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

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

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

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Learn about this simple machine and make a pulley of your own to use for fun science trials.