1.2 Changing Forms flashcards
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10 Terms
Energy
The capacity to do work, not a package or object.
Law of Conservation of Energy
States that energy cannot be created or destroyed/lost.
Energy efficiency
The amount of energy that leaves a system, such as friction, heat, sound.
When you eat food and walk your dog is an example of
chemical to mechanical/motion energy
The process of photosynthesis and converting sunlight into energy for plants is an example of
radiant to chemical energy
When hydropower electricity is changed to heat for your kitchen's oven, is an example of
Electrical to heat energy
Gravitational potential energy
A type of potential energy based on an object's position or relationship with other objects, like a coconut high up in a tree.
When energy is used it:
changes form
Most machines lose a lot of energy in the form of
heat and friction
What can store chemical energy and convert it into electrical energy?
batteries
