Putting it in Motion

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. The use of movements to communicate familiar or prearranged signals (6)
  2. 5. An apparatus consisting of an object mounted so that it swings freely under the influence of gravity (8)
  3. 6. A movable staircase that passengers use to board or leave an aircraft (4)
  4. 9. The branch of mechanics that deals with the motion of gases and their effects on bodies in the flow (12)
  5. 13. Relating to the motion of material bodies and the forces associated therewith (7)
  6. 14. A compound described in terms of the central atom to which other atoms are bound or coordinated (7)
  7. 15. The power to do work or make things move (6)
  8. 16. Of or in or along or relating to a line (6)

Down

  1. 1. The difference in electrical charge between two points in a circuit expressed in volts (9)
  2. 3. The pivot about which a lever turns (7)
  3. 4. A simple machine consisting of a wheel with a groove in which a rope can run to change (6)
  4. 7. An efficient person (plural) (8)
  5. 8. Force that pulls objects toward the Earth (7)
  6. 10. A push or a pull (5)
  7. 11. A simple machine consisting of a circular frame with spokes that can rotate on a shaft or axle (5)
  8. 12. Any herbaceous plant having medicinal properties (6)