vocab terms

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