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Khan Academy

Khan Academy: What Is Elastic Potential Energy?

For Students 9th - 10th
This site explains and gives examples of elastic potential energy and how to calculate it.
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Ducksters

Ducksters: Physics for Kids: Potential Energy

For Students 1st - 9th
Kids learn about potential energy in the science of physics. The energy of position and state can be calculated using mass, gravity, and height. The standard unit is the joule. How it is different from kinetic energy.
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US Energy Information Administration

U.s. Eia Energy Kids

For Students 6th - 8th
This comprehensive lesson teaches all about energy, including the different forms, the periodic table, history of human energy use and production, and energy units. It contains an interactive energy calculator, games and activities, and...
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Ducksters

Ducksters: Physics for Kids: Kinetic Energy

For Students 1st - 9th
Kids learn about kinetic energy in the science of physics. The energy of motion can be calculated using mass and velocity. The standard unit is the joule. How it is different from potential energy.