| A | B |
|---|
| Newton's 2nd Law | F=MxA |
| Newton's 3rd Law | action-reaction |
| Newton's 1st Law | Law of Inertia |
| Inertia | tendency of objects to resist changes |
| force | push or pull |
| balanced force | typically the object is not moving |
| unbalanced force | object moving/not constant speed |
| friction | force that keeps things from moving |
| fluid friction | ice skating |
| sliding friction | hold a pencil |
| rolling friction | toy car |
| gravity | force caused by an objects mass |
| weight | pull of gravity on a mass |
| mass | amount of matter in an object |
| matter | anything with mass & volume |
| density | amount of mass per unit volume |
| energy | ability to do work |
| kinetic | moving energy |
| potential | stored energy |
| physical property | color, odor, taste, density |
| chemical property | combustibility |
| chemical change | burning match |
| physical change | ripping paper |
| volume | amount of space something takes up |
| speed | =d/t |
| velocity | speed with direction |
| acceleration | change in velocity |
| unit of speed | m/s |
| unit of velocity | 25 km/hr S |
| unit of acceleration | km/hr/s |
| unit of force | newton |
