Physics of Roller Coasters

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 5. The mechanical ___ that a body has by virtue of its motion (13)
  2. 8. Italian astronomer and mathematician who was the first to use a telescope to study the stars (7)
  3. 10. A unit of power equal to 746 watts (10)
  4. 11. A purging medicine (plural) (7)
  5. 14. The use of movements to communicate familiar or prearranged signals (6)
  6. 15. How fast something moves (5)
  7. 16. Forces that provide energy and direction (plural) (6)

Down

  1. 1. A line or route along which something travels or moves (5)
  2. 2. To cause to move back by force or influence (5)
  3. 3. An increase in rate of change (12)
  4. 4. The basic unit of length adopted under the Systeme International d'Unites (plural) (6)
  5. 6. Distance travelled per unit time (8)
  6. 7. A material's opposition to the flow of electric current (10)
  7. 9. Hopeful and optimistic; the opposite of negative (8)
  8. 12. Energy that makes things warm (4)
  9. 13. A unit of ___ equal to the ___ exerted by gravity (6)