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A discussion on how energy can't be created or destroyed in an isolated system, and works an example of how energy is transformed when a ball falls toward the Earth.

An explanation of how LOL diagrams allow us to visually represent what we mean by conservation of energy as well as what we mean by an energy system.

This short online lesson discusses the planet Jupiter.

This short online lesson explores the planet Mars.

This short online lesson explores the planet Mercury.

This short online lesson discusses the planet Neptune.

This short online lesson discusses the planet Saturn

This short online lesson discusses the planet Uranus.

This short online lesson discusses the planet Venus.

The potential energy between two objects due to long-distance forces can be thought of as being stored in a field. When the objects move due to the field forces, the energy stored in the field decreases