| A | B |
|---|
| velocity | V=d/t |
| converting units | multiply by 100 to go from larger to smaller/ divide to go from small to larger |
| acceleration | A=vf-vi/t |
| force | F=ma |
| momentum | P=mv |
| work | W=fxd |
| change in thermal energy | =mass x change in T x specific heat |
| mechanical advantage | MA fr/fe |
| technology | practical use of scientific information |
| physical science | study of matter and energy |
| model | is an idea, system, or structure that represents whatever you are trying to explain |
| observation | using your senses to gather info. |
| hypothesis | a testable prediction |
| theory | explanation based on many observations supported by experimental results |
| scientific law | rule of nature that sums up related observations and experimental results to describe a pattern in nature |
| experiment | organized procedure for testing hypothesis |
| control | a standard for comparison |
| constant | factor that doesn't vary in experiment |
| independent variable | factor adjusted by the experimentor |
| dependent variable | factor whose value depends upong the value of the independent variable |
