Semester Test 8th Grade

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Across
  1. 2. the momentum of an object in the same direction
  2. 3. acceleration depends on an object's mass and the net force acting on it
  3. 5. mass and distance affect the gravitational attraction ______ objects
  4. 7. what energy is measured in
  5. 8. your body converts chemical potential energy to this type of energy
  6. 9. this is an example of an insulator
  7. 10. this property resists change in motion
  8. 12. a match stores this type of energy
Down
  1. 1. in a nuclear reaction the nuclei of atoms join together is nuclear ___
  2. 4. the law of conservation of energy states that energy cannot be created or______
  3. 6. this is stored in the nucleus of an atom and is called nuclear energy
  4. 11. when two strengths act in the same direction, their strengths are