20 IMPORTANT PHYAICAL SCIENCE WORDS

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Across
  1. 2. The force of attraction between 2 objects
  2. 4. The amount of matter an object has
  3. 5. property of matter resistent to motion
  4. 9. Zero net force
  5. 10. any of the basic mechanical devices for applying a force
  6. 13. a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used to raise heavy weights.
  7. 14. the pathway in which electric charge flows in
  8. 15. Push or pull on an object
  9. 16. one pathway to the enrgy source
  10. 17. Movement
  11. 18. more than one pathway to the enrgy source
Down
  1. 1. resistent of movement between 2 objects
  2. 3. creates movement
  3. 4. any material that contains iron or sttracts iron
  4. 6. also known as a ramp
  5. 7. produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
  6. 8. Change in velocity
  7. 11. a form of energy resulting from the existence of charged particles
  8. 12. Speed with a direction
  9. 19. 1.a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.