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summer science 1 7th
| Question | Answer |
|---|---|
| 1. scientific method | --steps taken to solve a problem in science |
| 2. investigation | --the observation or study by close examination and systematic inquiry |
| 3. hypothesis | --prediction or statement that can be tested |
| 4. independent variable | --factor that is changed in an experiment in order to study changes in the dependent variable; also called the manipulated variable |
| 5. dependent variable | --factor that is being measured in an experiment (the results); also called the responding variable |
| 6. constants | --factors that stay the same during an experiment; also called controlled variables |
| 7. control | --sample that is treated like the other experimental groups except the independent (manipulated) variable is not applied |
| 8. experiment | --the test of a hypothesis under controlled conditions |
| 9. controlled experiment | --an experiment in which only one variable is manipulated |
| 10. empirical evidence | --a cumulative body of observations |
| 11. quantitative | --observations involving numbers |
| 12. qualitative | --observations involving descriptions |
| 13. scientific model | --tentative schemes or structures that correspond to real objects or events and have explanatory power |
| 14. theory | --a well-tested explanation for a wide range of observations or experimental results |
| 15. law | --a statement that describes what scientists expect to happen every time under a particular set of conditions |