Simple Machines Crossword!

Edit Answers
12345678910111213141516171819
Across
  1. 3. The weight of an object.
  2. 4. A pulley system that uses at least one fixed pulley and one moveable pulley.
  3. 11. Another word for an inclined plane.
  4. 13. An axe is one example of this simple machine.
  5. 14. An example of a pulley system using two fixed pulleys.
  6. 16. _________machines make our lives easier. There are six of them.
  7. 18. The amount of effort force needed to lift a load using a moveable pulley system.
  8. 19. A spiral staircase looks like this simple machine.
Down
  1. 1. A fixed pulley helps make lifting the load easier because you can pull down with your whole _____.
  2. 2. A push or pull.
  3. 5. In a ______ pulley system the effort force is directed up
  4. 6. The direction of effort force in a combined pulley system.
  5. 7. The force attracting all objects on Earth towards the ground.
  6. 8. The direction of effort force when you are not using any pulley.
  7. 9. A ________ pulley has one pulley that is firmly attached to a structure.
  8. 10. The point that a lever pivots around.
  9. 12. A special type of wheel and axle that has teeth.
  10. 15. The force needed to lift a load.
  11. 17. One of the simple machines that makes lifting heavy loads easier.