Collisions!

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Across
  1. 2. A collection of objects that can be identified.
  2. 4. The tendency of an object to resist a change in motion
  3. 5. The more massive something is, the _______ inertia it has.
  4. 6. the amount of matter that makes up an object.
  5. 7. An object at rest will remain at rest and an object in motion will remain in motion in the same direction at a constant velocity unless acted upon by an _____________ force.
  6. 9. Objects that are moving to the left are described as moving in the __________ direction.
  7. 12. The type of collision that occurs when objects bounce off each other without breaking, changing shape, or losing energy to heat and sound.
Down
  1. 1. Objects that are moving to the right are described as moving in the __________ direction
  2. 3. The type of collision that occurs when one massive object separates to become 2 or more parts.
  3. 4. The type of collision where the objects stick together or change shape and lose kinetic energy.
  4. 8. the speed of an object and the direction that it travels.
  5. 10. The name of Mrs Comp's first born son.
  6. 11. To conserve means to stay the ________