Test whether plants can grow without sunlight and water.

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

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

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

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

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.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

This science fair project teaches students the differences between fruits and vegetables.

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

This science fair project teaches students about wilting and browning of salad greens.

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

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

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.