PS CH 1 Vocabulary S1 S2 S3 some
| __ | 1. | Controlled experiment | | A. | information obtained through the senses | | __ | 2. | Hypothesis | | B. | organized plan used to gain, organize and share information | | __ | 3. | Manipulated variable | | C. | proposed answer to a question | | __ | 4. | Model | | D. | variable that RESPONDS to a change in the manipulated variab | | __ | 5. | Observation | | E. | experiment in which only one variable is changed | | __ | 6. | Responsible variable | | F. | variable that CAUSES a change in the other variable | | __ | 7. | Scientific law | | G. | well-tested explanation of an observation or experiment | | __ | 8. | Scientific method | | H. | representation of an object or an event | | __ | 9. | Scientific theory | | I. | a statement that summarizes a pattern found in nature |
| __ | 10. | density | | A. | ratio of an object's mass to its volume | | __ | 11. | length | | B. | amount of space taken up by an object | | __ | 12. | mass | | C. | how heavy or light something is | | __ | 13. | volume | | D. | distance between two points |
| __ | 14. | astronomy | | A. | knowledge about the natural world & methods used to find it | | __ | 15. | biology | | B. | the use of scientific knowledge to solve practical problems | | __ | 16. | chemistry | | C. | studies the composition, structure & properties of matter | | __ | 17. | geology | | D. | studies matter and and energy, forces and motion | | __ | 18. | physics | | E. | studies the origin, history and structure of the Earth | | __ | 19. | science | | F. | studies life and life processes | | __ | 20. | technology | | G. | studies the universe beyond Earth |
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