Gravity

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Across
  1. 1. physical substance in general.
  2. 3. the force that attracts a body toward the center of the earth
  3. 5. Jules
  4. 8. physics
Down
  1. 1. movement
  2. 2. Weight
  3. 4. laws
  4. 6. the resistance that one surface or object encounters when moving over another.
  5. 7. the curved path of a celestial object