Science 8 Topics 4.1-4.3 Crossword

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Across
  1. 2. A series of pulleys attached together
  2. 4. Syndrome causing the sensation of pain in your thumbs and fingers, caused by repetitive movement of the joints
  3. 5. It allows you to change the intensity of a force that you have to exert to displace an object
  4. 9. A dented wheel
  5. 10. Changing the type of energy
  6. 13. A gear on a chain
  7. 16. A simple machine made of a rolling object with a central, rigid object it rolls around.
  8. 19. The gear that is moved by the first gear
  9. 20. Moving energy without changing its type
  10. 22. This is made up of a small cylinder and a crank handle.
  11. 23. A pulley attached to an object that can move
  12. 25. Relationship between the force that is produced by the machine and the force that is applied to the machine.
  13. 26. Lever with load, then effort/force, then fulcrum
Down
  1. 1. Lever with load, then fulcrum, then effort/force
  2. 3. A groove wheel with a chain/rope
  3. 6. How much energy is used as useful energy versus lost to other forms of energy
  4. 7. Distance from the middle of a circle to the outside edge
  5. 8. The result of a force exerted on an object. There needs to be movement of this object in the direction of the force.
  6. 11. The units of work
  7. 12. A pulley that is attached to an object and doesn’t move
  8. 14. A series of dented wheels connected together
  9. 15. Lever with fulcrum, then load, the effort/force
  10. 17. The gear that moves the other gear
  11. 18. Creation of objects that are safe and secure
  12. 21. Ramp or slope that reduces the necessary force to lift an object.
  13. 24. The pivot of a lever. Rotation around a fixed point.