Science Review for PTS

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Across
  1. 5. The _______ pulls everything back to the ground.
  2. 6. we need ______ to be able to do work.
  3. 7. God give the ability for human to _______ simple machines.
  4. 8. A ______ is a push and pull
Down
  1. 1. ________ is when something change place or position
  2. 2. a ______has north and south poles
  3. 3. A _______ helps to lift things up.
  4. 4. Simple machine helps to make our work______