| A | B |
|---|
| ideal environment | the right combination of climate, soil, nutrients, light, and other factors for a particular species |
| control | in an experiment, the sample that the experiment does not change in any way and that serves as the standard with which the experiment samples are compared |
| oxidation | a chemical change in which a substance combines with oxygen |
| reactant | any substance that undergoes a chemical change |
| product | any substance that is produced during a chemical change |
| rate of chemical reaction | the amount of reactant that changes to products per unit of time |
| catalyst | a substance that increases the rate of a reaction but is not changed by that reaction |
| enzyme | a complex protein, produced by living cells, that catalyzes biochemical reactions at body temperature |
| law of conservation of matter | matter cannot be created or destroyed in a chemical reaction |
| specific heat | the amount of heat that must be added to one gram of a substance to increase its temperature by 1°C(22) |
| heat capacity | the amount of heat that an object absorbs or realeases when its temperature changes by 1°C(heat capacity=specific heat X mass) (23) |
