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Science Ch1, L2

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

law of conservation of energy   states that energy can be transformed from 1 form to another, but it cannot be created or destroyed  
energy transfer   states that when energy moves from one object to another without changing form  
energy transformation   states that when one form of energy is converted to another form of energy  
work   the transfer of energy that occurs when a force makes an object move in the direction of the force  
open system   system that exchanges matter or energy with the environment  
closed system   system that does not exchange matter or energy with the environment  
renewable energy source   an energy resource that is replaced as fast as, or faster than, it is used  
nonrenewable resource   an energy resource that is available in limited amounts or that is used faster than it can be replaced in nature  


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