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.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

The goal of this project is to create an exciting topographical map out of dough.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea explores the different properties & interactions of sugar molecules.

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?

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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