Friction

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. The part of a golf course bordering the fairway where the grass is not cut short (5)
  2. 4. How fast something moves (5)
  3. 5. Any of various substances of either mineral origin or plant or animal origin (3)
  4. 6. Narrow wood or metal or plastic runners used in pairs for gliding over snow (3)
  5. 7. The outermost level of the land or sea (7)
  6. 10. A substance capable of reducing friction by making surfaces smooth or slippery (9)
  7. 12. A joint that holds two parts together so that one can swing relative to the other (5)
  8. 13. Having a surface free from roughness or bumps or ridges or irregularities (6)

Down

  1. 2. A thick fatty oil (6)
  2. 3. Four-wheeled vehicle for driving on roads (plural) (4)
  3. 8. The resistance encountered when one body is moved in contact with another (8)
  4. 9. An aircraft that has a fixed wing and is powered by propellers or jets (5)
  5. 11. Slippery liquid used for cooking and fuel (3)