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Ch 1 lesson 2 vocab
| Term | Definition |
|---|---|
| law of conservation of energy | says that energy can be transformed from one form to another but it cannot be created or destroyed. |
| energy transfer | when energy moves from one object to another without changing form. |
| energy transformation | when one form of energy is converted to another form of energy. |
| work | is the transfer of energy that occurs when a force makes an object move in the direction of the force and when this happens work is the only thing that is happening. |
| open system | is a system that exchanges matter or energy with the environment. |
| closed system | is a system that does not exchange matter or energy with the environment. |
| renewable energy resource | is an energy resource that is replaced as fast as it is used mabye faster than it is used. |
| nonrenewable energy resource | an energy resource that is available in limited amounts or that is used faster than it is able to replace itself in nature. |