4:5 VOCABULARY CROSSWORD

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Across
  1. 4. a machine consisting of two or more simple machines
  2. 5. a grooved wheel that pulls a rope attached to a heavy weight so its easier to lift
  3. 7. a simple machine that give leverage to lift things
  4. 8. like a inclined plane but to keep things together
Down
  1. 1. a point where a lever sits
  2. 2. a inclined surface so things can get up it easier
  3. 3. when an axel goes through a wheel so it can move easier
  4. 6. a wedge could be any thing with a edge