| A | B |
|---|
| observation | information taken in by the senses |
| inference | judgement based on observations |
| scientific method | a step by step process by which scientists solve problems |
| hypothesis | educated guess |
| theory | answers the question WHY |
| law | a rule of nature answers the question WHAT |
| Control | standard for comparison |
| constants | those factors that stay the same |
| independent variable | the factor changed by the experimenter (I) |
| dependent variable | the factor that changes because of the independent variable it depends on the independent variable |
| Meter | unit of length |
| Gram | unit of weight/mass |
| Celsius | unit of temperature |
| Liter | unit for volume |
| ruler | measures length |
| balance | tool for measuring mass/weight |
| thermometer | tool used for measuring temperature |
| graduated cylinder | tool used for measuring liquid volume |
