Simple Machines Vocabulary Crossword

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Across
  1. 5. the point on which a lever rests or is supported and on which it pivots
  2. 6. a simple machine that consists of a round disk, known as a wheel, with a rod through the centre of it, known as the axle.
  3. 8. activity involving mental or physical effort done in order to achieve a purpose or result
  4. 9. a measure of how much a machine or tool makes a task easier by multiplying the force you apply.
Down
  1. 1. a sloping ramp up which heavy loads can be raised by ropes or chains
  2. 2. a short, slender, sharp-pointed metal pin with a raised helical thread running around it
  3. 3. a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used
  4. 4. a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
  5. 6. a piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them
  6. 7. when something goes from one place to another or changes its position