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In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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!

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

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

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

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.

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

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

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

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

This science fair project idea demonstrates that plants give off water.

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

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project examines how seeds hitchhike on animals and clothing.

Learn all about balance and motion as your child designs a corn maze!

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.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Start your toy engines -- this is going to be a fast and friction-filled race!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!