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What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This fascinating science fair project explores eye color genotypes.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Discover which fabrics shrink the most in the wash and why.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project idea determines how your body responds to allergies.

This science fair project idea identifies trees using a dichotomous key.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This science fair project idea explores alcoholic fermentation at work by making your own soda.