| A | B |
|---|
| beaker | used to temporarily hold or transport chemicals |
| not very accurate way to meaure liquids | beaker |
| themometer | used to read temperature or the effect of heat |
| graduated cylinder | used to accurately measure volume |
| triple-beam balance | used to measure mass |
| test tube | used for small scale experiment or to heat chemicals |
| bunsen burner | used to add heat |
| mortar and pestle | used to crush or grind particles into powders |
| mixture | a solution |
| oxygen | substance |
| substance | carbon dioxide |
| mixture | salt water |
| boiling water | physical change |
| digestion | chemical change |
| density | compactness - ratio of mass to volume |
| octet | eight |
| positive | protons |
| electrons | negative |
| neutrons | neutral |
| center of the atom | nucleus |
| endothermic | absorbs heat |
| exothermic | gives off heat |
| combustion | exothermic |
| heat on the reactant side | endothermic |
