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

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

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

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

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

This classic children's game demonstrates how sound travels through air vs. through a solid.

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.

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

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 cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

This science fair project idea investigates how magnetism can defy the force of gravity.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.