PS CH 1 Vocabulary S 2 S 3
| __ | 1. | Controlled experiment | | A. | organized plan used to gain, organize and share information | | __ | 2. | Hypothesis | | B. | proposed answer to a question | | __ | 3. | Manipulated variable | | C. | information obtained through the senses | | __ | 4. | Model | | D. | variable that CAUSES a change in the other variable | | __ | 5. | Observation | | E. | variable that RESPONDS to a change in the manipulated variab | | __ | 6. | Responsible variable | | F. | well-tested explanation of an observation or experiment | | __ | 7. | Scientific law | | G. | experiment in which only one variable is changed | | __ | 8. | Scientific method | | H. | a statement that summarizes a pattern found in nature | | __ | 9. | Scientific theory | | I. | representation of an object or an event |
| __ | 10. | Accuracy | | A. | measuring how hot or cold something is | | __ | 11. | Conversion factor | | B. | a number like 6.4 x 10 5 m or 9.116 x 10^ 3 kg | | __ | 12. | Density | | C. | how exact a measurement is | | __ | 13. | Length | | D. | how heavy or light something is | | __ | 14. | Mass | | E. | all the digits in a measurements that are directly measured | | __ | 15. | Precision | | F. | distance between two points | | __ | 16. | Scientific notation | | G. | ratio of a materials mass to its volume | | __ | 17. | Significant figures | | H. | amount of space taken up by an object | | __ | 18. | Thermometer | | I. | closeness of a measurements to the true value | | __ | 19. | Volume | | J. | a fraction that is used to convert units ( 1 foot/12 inch) |
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