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Topic 3 Vocab
Vocabulary for Energy
Term | Definition |
---|---|
Kinetic energy | energy an object possesses by being in motion |
Potential energy | energy that results from the position or shape of an object |
Gravitational potential energy | a type of potential energy that is related to an object’s vertical position – how high it is above the ground |
Elastic potential energy | a type of potential energy that is associated with objects that can be compressed or stretched |
Energy | the ability to do work or cause change |
Motion | takes energy, an object is in motion if its position changes relative to another object |
Force | A push or pull, relationship between energy and motion involves forces |
Work | exerting a force on an object that causes the object to change its motion in the same direction in which you exert the force |
Power | the rate at which work is done, it equals the amount of work done on an object in a unit of time |
Mechanical energy | the energy an object has due to its motion, shape and position or a combination of these factors |
Nuclear energy | type of potential energy stored in the nucleus, can be released through a nuclear reaction |
Thermal energy | the total potential and kinetic energy of particles |
Chemical energy | form of potential energy, results from the relative positions of the particles within a material |
Electrical energy | the energy of electrical charges |
Electromagnetic radiation | a form of kinetic energy that travels through space in waves, does not need a medium to travel through |
Law of conservation of energy | Energy either moves from one place to another or changes forms, but no energy is created or destroyed |