flock

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Across
  1. 6. to copy nature
  2. 7. a force that is pushing against an object that is moving
  3. 8. it's a force that makes you fall
Down
  1. 1. its a force that helps things stay on the ground
  2. 2. an animal that fly’s in nature
  3. 3. its used to research in space
  4. 4. a force that keeps birds in the air
  5. 5. a man made machine that can fly