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In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Explore the neural and mental mechanisms at play in mental imagery.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project demonstrates the "power of conformity".

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

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.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

This science fair project idea produces sounds by creating vibrations using different objects.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Construct and experiment with a periscope using reflected light rays to gather an image.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

This science fair project idea determines what household items are good conductors of electricity.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.