Chap 1 Mathematics and Physics

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Across
  1. 2. _____ is an educated guess about how variables are related.
  2. 7. The _____ is the factor that is changed or manipulated during an experiment.
  3. 10. _____ is the study of matter and energy and their relationships.
  4. 13. the degree of exactness of a measurement is called _____.
  5. 15. On a graph, the _____ is the line drawn as close as possible to all of the data points.
  6. 16. A(n) _____ describes the relationship between two variables in which an increase in one variable results in the decrease of another variable.
Down
  1. 1. the method of treating units as algebraic quantities, which can be cancelled, is called _____.
  2. 3. A(n) _____ exists when one variable depends on the square of another.
  3. 4. The smallest division that is marked on the instrument is _____.
  4. 5. The _____ is the factor that depends on the independent variable.
  5. 6. The valid digits in a measurement are called the _____.
  6. 8. _____ describes how well the results of a measurement agree with the real value.
  7. 9. A _____ is the best available explanation of why things work as they do.
  8. 11. _____ is the variation in measured data.
  9. 12. A straight line on a graph shows that there is a(n) _____ between the two variables.
  10. 14. a(n) _____ is a comparison between an unknown quantity and a standard.