| A | B |
|---|
| inertia | resistance to change in motion |
| motion | change in position over time |
| force | push or pull |
| mass | how much matter an object has |
| weight | force of gravity pulling on an object |
| velocity | speed plus direction |
| displacement | how far you are from the starting point |
| distance | how far you have moved |
| speed | distance divided by time |
| instantaneous speed | speed at any instant in time |
| acceleration | change in velocity over time |
| positive acceleration | speeding up |
| negative acceleration | slowing down |
| kinetic energy | energy of motion |
| potential energy | stored energy |
| elastic potential energy | energy stored by bending something |
| chemical potential energy | energy stored inside the chemical bonds of compounds |
| gravitational potential energy | energy stored by raising an object high off the ground |
| mechanical energy | total amount of kinetic and potential energy in a system |
| conservation | does not change |
