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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.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Slip some science into storm watching with a homemade rain gauge!

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

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

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

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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this experiment you will replicate the mummification process by making a hot dog mummy.

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.

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Help your child celebrate the summer and the sun by making a sandy seascape.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.