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Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

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

An home science experiment for older students that teaches about the science behind heat.

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

This science fair project idea produces varying pitches of sound.

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.

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!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

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.

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

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea explores whether talking to a plant will help it grow.

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!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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

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

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!