| A | B |
|---|
| energy | able to change its environment |
| kinetic energy | in the form of motion; depends on mass and velocity |
| potential energy | stored energy |
| work | the transfer of energy through motion; a force exerted through a distance |
| calculating work | W=F x d |
| unit of work | joule (N-m) Newton-meters |
| James Prescott Joule | British scientist |
| mechanical energy | total amount of kinetic and potential energy in a system |
| law of conservation of energy | energy cannot be created nor destroyed in a closed system |
| food | chemical potential energy |
| swing | pendulum |
| temperature | average kinetic energy of the particles in a substance |
| thermal energy | total energy (kinetic and potential) in a substance |
| heat | thermal energy flowing from warmer to cooler |
| thermal pollution | warmed water dumped into a lake, stream or sound |
| warm water | kills fish |
| specific heat | energy to raise 1 kg of a substance 1 degree K or C |
| Change in thermal energy | Q |
| delta | means "change" |
| infrared waves | heat waves |
