Across
- 2. Describes evidence that documents only what actually happened as exactly as possible
- 5. Describes how close together or reproducible repeated measurements are
- 6. Describes evidence that can be seen independently by others if they repeat the same experiment or observation in the same way
- 7. A variable that is kept constant in an experiment
- 10. The mass per unit volume of a given material
- 12. Anything that has mass and takes up space
- 14. Meaningful digits in a measuring quantity
- 15. The exact procedure that is followed each time an experiment is repeated
- 18. Each time an experiment is tried
- 19. Refers to the smallest interval that can be measured
- 20. A process of learning that begins with a hypothesis and proceeds to prove or change the hypothesis by comparing it with scientific evidence
- 22. the system used in the US
- 25. A process of learning that starts with asking questions
- 27. A collection of all the techniques you use to do an experiment
- 28. A method if using conversion factors and unit canceling to solve a unit conversion problem
- 29. The applications of science to meet human needs and solve problems
- 30. The variable that you believe is influenced by the independent variable
Down
- 1. a ratio that has the value of one and is used in setting up a conversion problem
- 3. The variable that is kept constant in an experiment
- 4. Two results are only significantly different if their difference is much larger than the estimated error
- 8. A factor that affects how an experiment works
- 9. A relationship in which one variable decreases when another variable increases
- 11. A relationship in which one variable increases with an increase in another variable
- 13. A variable that you believe might influence another variable
- 16. How close a measurement is to an accepted or true value
- 17. A possible explanation that can be tested by comparison with scientific evidence
- 21. To figure something out from known facts using logical thinking
- 23. A rule that describes an action or set of actions in the universe and that can sometimes be expressed as a mathematical statement
- 24. A group of variables that are related
- 26. a fixed amount of something
