9k Review

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Across
  1. 1. in series, this quantity is same at all points
  2. 4. substance that could flow easily
  3. 5. the unit of pressure
  4. 7. the unit of this quantity is volts
  5. 8. the turning effect of a force
  6. 10. cannot be created nor destroyed
  7. 12. the unit of energy
  8. 13. mass over volume
  9. 14. the force which has opposite direction with the direction of the object
  10. 15. anything that can help us to do work
Down
  1. 2. the phenomena of wave changes the speed as it goes from one material to another
  2. 3. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
  3. 6. used to measure current
  4. 9. used to represents a phenomenon so it will be easier to understand
  5. 11. the way of heat transfer that requires direct contact of the object