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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.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

Help your child make a beautiful homemade sandcastle that will last!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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.

Using a toy race car kids create a visual model of the Doppler Effect.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!