machines and lab

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Across
  1. 3. They are objects that make it easier for people to do work
  2. 5. A room or building equipped for scientific experimentation
  3. 7. The rod that the wheel spins on
  4. 8. It is a kind of wheel that has a groove for a rope
  5. 10. A test under controlled conditions
  6. 12. It can help you lift something heavy or make something go fast
Down
  1. 1. Capable of igniting and burning
  2. 2. Loose-fitting trousers
  3. 4. They are used to cut or push things apart
  4. 6. A plane of any slope or ramp
  5. 9. A substance or substances out of which a thing is made
  6. 11. It is a spiral wrapped around a center post