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ch 1 science tools
| Term | Definition |
|---|---|
| thermometer | measure temperature |
| hand lens | observe small objects |
| pipette | add small amounts |
| microscope | observe very small objects |
| graduated cylinder | measure exact amounts of liquid |
| stopwatch | measure elapses time |
| triple beam balence | measure mass |
| spring scale | measure force |
| ruler | measures length |
| adventage | a characteristic of a model that is useful or helpful |
| limitation | the boundary of a model |
| criteria | the variable in an experiment that remains unchanged |
| variable | a condition in the experiment that can be changed |
| hypothesis | a prediction that can be tested |