Momentum Crossword

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Across
  1. 1. when the initial and final states remain the same
  2. 3. two objects collide, converting some kinetic energy into other forms of energy such as potential energy, heat or sound
  3. 10. two objects collide, stick together and move as one mass after the collision, transferring some of the kinetic energy into other forms of energy.
Down
  1. 2. two objects collide and bounce off each other while conserving kinetic energy - energy is not transformed into any other type.
  2. 4. the rate at which position changes
  3. 5. the change in the momentum of an object
  4. 6. an object or objects breaks apart because potential energy stored in one or more of the objects is transformed into kinetic energy.
  5. 7. how hard it is to stop an object
  6. 8. an event that causes momentum to change
  7. 9. how much matter is in an object