Science Practical Key Word Defintions AQA

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Across
  1. 2. error when an instrument gives a non‑zero reading at true zero (8)
  2. 3. the difference between successive readings (8)
  3. 9. information collected in an investigation (4)
  4. 13. the variable you measure (17)
  5. 14. error the difference between a measured value and the true value (16)
  6. 17. the variable you change (19)
  7. 18. how close a measurement is to the true value (8)
  8. 21. how close repeated measurements are to each other (9)
  9. 22. variable that are not types such as types or names (9)
  10. 23. the smallest change a measuring instrument can detect (10)
  11. 24. conclusion a conclusion supported by valid data and correct analysis (15)
  12. 25. checking or marking a scale using known standard values (11)
  13. 26. error that causes results to vary unpredictably around the true value (11)
Down
  1. 1. when the same person repeats the method and gets the same results (10)
  2. 4. results that do not fit the pattern (9)
  3. 5. whether the method answers the question (8)
  4. 6. a proposed explanation based on observations (9)
  5. 7. error causing a consistent shift from the true value caused by equipment or method (15)
  6. 8. data shown to be valid (8)
  7. 10. the interval within which the true value is expected to lie (10)
  8. 11. test only the independent variable affects the dependent variable (8)
  9. 12. variable that can take any numerical value (10)
  10. 15. when different people or equipment get the same results (12)
  11. 16. the maximum and minimum values of variables (5)
  12. 19. a statement of what will happen based on a hypothesis (10)
  13. 20. variables kept constant to ensure a fair test (7)