17 terms

VOCABULARY #18: Science Chapter 12

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energy
the capacity to do work
kinetic energy
the energy of an object that is due to the object's motion
potential energy
the energy that an object has because of the position, shape, or condition of the object
mechanical energy
the amount of work an object can do because of the object's kinetic and potential energies
thermal energy
all of the kinetic energy due to random motion of the particles that make up an object
chemical energy
the energy of a compound that changes as its atoms are rearranged
electrical energy
the energy of moving electrons
sound energy
caused by an object's vibrations
light energy
produced by the vibrations of electrically charged particles
nuclear energy
Energy that comes from changes in the nucleus of an atom
gravitational potential energy
the energy stored in objects due to their position above earth's surface
elastic potential energy
energy stored by things that stretch or compress
energy conversion
a change from one form of energy to another.
friction
a force that opposes motion between two surfaces that are in contact
nonrenewable resource
A resource that forms at a rate that is much slower than the rate at which it is consumed
fossil fuel
a nonrenewable energy resource formed from the remains of organisms that lived long ago
renewable resource
a natural resource that can be replaced at the same rate at which the resource is consumed