vocab terms

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