| A | B |
|---|
| theory | law |
| hypothesis | prediction |
| law of conservation of mass | 2g of A +3 g of B yields 5 g of AB |
| law of conservation of energy | energy is neither created nor destroyed. |
| exothermic | feels warm (releases heat) |
| endothermic | feels cool (absorbs heat) |
| energy | ability to do work |
| kinetic energy | energy of movement (rock rolling down hill) |
| potential energy | stored energy (rock at top of hill) |
| temperature | average heat energy of a substance's particles |
| accuracy | how close to the right answer |
| precision | how reproducible |
| .1115 | 4 sig figs |
| .15 | 2 sig figs |
| 1.05 | 3 sig figs |
| .105 | 3 sig figs |
| .0105 | 3 sig figs |
| scientific notation | number written as a power of 10 |
