Science chp 4 Flashcards
energy
the capacity to do work
kinetic energy
the energy of an object due to its motion
potential energy
the energy that an object has because of the potion, shape or condition of the object
energy conversion
a change from one form of energy to another
friction
a force that opposes motion between two surfaces that are in contact
law of conservation of mass
the law that states that energy can be created or destroyed but can be changed from one to another
nonrenewable resource
a resource that forms at a rate that is much slower then the rate which it is consumed
fossil fuel
a nonrenewable energy resource that remains of organisms that lived a long time ago
renewable resource
a natural resource that can be replaced at the same rate it is consumed