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science ch 2
chapter 2
Term | Definition |
---|---|
nonrenewable energy resources | an energy resource that is available in limited amounts |
renewable energy resources | an energy resource that is replaced |
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 |
energy transfer | when energy moves from on object to another with out changing form |
energy transformation | when one form of energy is converted to another form of energy |
law of conservation of energy | that energy can be transformed from one form to another but it cannot be created or destroyed |