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