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Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

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

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.