| Term | Definition |
|
force |
the effort used when something moves another thing |
|
energy |
the ability to make something happen |
|
potential energy |
stored energy |
|
kinetic energy |
energy of motion |
|
gravitational potential energy |
potential energy stored above ground |
|
chemical potential energy |
potential energy stored in chemicals |
|
mechanical energy |
energy in moving things |
|
electrical energy |
energy that flows through wires and powers the lights and appliances |
|
electromagnetic energy |
visible light |
|
heat energy |
the energy of moving particles that make up matter |
|
chemical energy |
the energy that holds particles of matter together |
|
nuclear energy |
the energy stored in the nucleus of an atom |
|
thermal pollution |
damage that occurs when waste heat enters the environment |
|
law of conservation of energy |
energy cannot be made or destroyed, only transferred |
|
energy transformation |
the switch from one form of energy to another |
|
work |
force exerted through a distance |
|
work formula |
work=effort × distance |
|
power |
amount of work done per unit of time |
|
friction |
when two things rub against each other |
|
friction preventer |
oil or grease |