Physical Quantities and Units - Summary Crossword

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Across
  1. 2. quantity that has a base unit of kgm-1s-2
  2. 5. when multiplying/dividing, we add the __________ uncertainty
  3. 8. base unit of temperature
  4. 10. prefix with a value of 10(-1)
  5. 11. type of error when all the measurements differ from the true value by the same amount
  6. 14. a quantity that has a magnitude and direction
  7. 15. base unit of electric current
  8. 18. type of error when all the measurements differ from the true value by unpredictable amounts
  9. 19. most appropriate unit for measuring the wavelength of light
  10. 22. it means measurements are consistent and close to the average value
  11. 23. when two vectors are perpendicular, we use this formula to solve for the resultant vector
Down
  1. 1. base unit of length
  2. 3. base unit of time
  3. 4. define as displacement over time
  4. 6. to express uncertainty as percentage, (absolute uncertainty divided by __________) X 100
  5. 7. base unit of mass
  6. 9. if an equation has the same base units on both sides
  7. 11. when adding/subtracting, the uncertainty is the _____ of the uncertainties in the calculation
  8. 12. a quantity that has a magnitude only
  9. 13. it means measurements are close to the true value
  10. 16. highest value minus lowest value in a set of measurements
  11. 17. quantity that has a base unit of kgms-2
  12. 20. quantity that has a base unit of kgm2s-2
  13. 21. prefix has a value of 10(9)
  14. 22. prefix with a value of 10(-12)
  15. 24. uncertainty in repeated measurement, range divided by _____.