Physical Science Terms

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Across
  1. 2. negative accelerataion
  2. 4. happens when scientist's expectations change the results
  3. 6. an exact quantity that people agree as a comparison
  4. 8. factor that does not change in an experiment
  5. 9. a possible answer to a question or problem
  6. 14. to go faster over time
  7. 15. rate of change of velocity
  8. 18. tests the effect of one thing on another using a control
  9. 19. anything that takes up space and has mass
  10. 20. an idea, event, or object to help people understand
Down
  1. 1. SI unit of temperature
  2. 3. a measurement of the quantity of matter in an object
  3. 5. statement about nature, seems true all the time
  4. 7. this includes distance and direction
  5. 8. the standard by which results can be compared
  6. 10. right now
  7. 11. speed with direction
  8. 12. a picture of data
  9. 13. the distance an object travels per unit of time
  10. 16. a change in an objects position relative to a reference point.
  11. 17. mass per unit of volume