Final answer:
Gravitational potential energy, kinetic energy, and thermal energy are key forms of energy with different sources and characteristics.
Explanation:
Gravitational potential energy: This is the energy an object possesses due to its position in a gravitational field, like a roller coaster at the top of a hill.
Kinetic energy: Also known as energy of motion, it is the energy an object has due to its movement, like a moving car.
Thermal energy: This is energy related to the temperature of an object, like the heat from a fire.
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