Chapter 2 Vocab

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Across
  1. 5. the material or energy that goes into a system
  2. 8. a measure of how close a series of measurements are to each other
  3. 9. the middle number in a set of data
  4. 10. an output that causes a system to change in some way
  5. 12. signs that alert you to possible sources of accident in a laboratory
  6. 15. the difference between the greatest value and the least value in a set of data
  7. 17. the number that appears the most often in a data set
  8. 20. a picture of data
  9. 21. a line graph in which the data point do not fall along a straight line is _________.
  10. 23. all the digits in a measurement that are measured exactly, plus one estimated digit
  11. 25. the amount of space an object takes up
  12. 26. the action that takes place in a system
Down
  1. 1. a standard measurement system based on the number ten
  2. 2. the material or energy that comes out of a system
  3. 3. data that does not fit in with the rest of the data set is __________.
  4. 4. the numerical average of a set of data
  5. 6. a way to determine how accurate an experimental value is
  6. 7. working in the _________ refers to any area outside the science lab or classroom
  7. 11. the official SI unit for temperature
  8. 13. a group of parts that work together to perform a function or produce a result
  9. 14. a line graph in which the data points yield a straight line is _________.
  10. 16. an approximation of a number based on reasonable assumptions
  11. 17. the amount of matter in an object
  12. 18. the amount of mass contained in a given volume
  13. 19. the curve that the surface of a liquid makes in a graduated cylinder
  14. 22. how close a measurement is to the true value
  15. 24. a measure of the force of gravity on an object
  16. 27. a version of the metric system used by scientists all over the world