Simple Machines Crossword Puzzle

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Across
  1. 4. The point where a lever turns.
  2. 5. A flat sloping surface used to move heavy objects upward.
  3. 6. The object that a machine moves
  4. 7. A simple machine found on a bicycle and a doorknob.
  5. 8. A simple machine used to split wood.
Down
  1. 1. A simple machine used to lift a flag using a rope
  2. 2. An inclined plane wrapped around a cylinder.
  3. 3. A rigid bar that turns around a fulcrum.