Lessons 3 and 4 Vocabulary Review

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Across
  1. 4. an object that is thrown
  2. 5. _____ gravitation states that the force of gravity acts between all objects in the universe that have mass
  3. 11. _____ velocity is the top speed an object reaches as it falls.
  4. 13. Newton's Third Law states that for every action, there is an _____ and equal reaction
  5. 14. a skateboard moving on a sidewalk is an example of _____ friction
  6. 15. the force that two surfaces exert on each other when they rub against each other
  7. 17. the measure of the force of gravity on an object
  8. 19. Newton's _____ Law states that the larger the mass of an object, the larger the force needed to move the object
Down
  1. 1. objects falling through the air experience a type of fluid friction called air _____
  2. 2. water and air are examples of _____
  3. 3. the formula used to calculate force is force = mass x _____
  4. 6. friction, gravity, and weight are all measured in _____
  5. 7. the amount of matter in an object
  6. 8. Newton's _____ Law states that an object at rest will stay at rest
  7. 9. pulling your chair out from under your table is an example of _____ friction
  8. 10. the resistance to change in motion
  9. 12. when two forces are _____, there is zero net force, so there will be no motion
  10. 16. _____ Newton is the scientist who formulated the laws of motion
  11. 18. a force that pulls objects toward each other