Review
Across
- 1. simple machine that changes direction of force, it is a wheel with a rope through it
- 2. turn electrical energy into mechanical energy
- 3. uses an X or Omega as a circuit symbol
- 6. uses liquid fuel like petrol or gasoline
- 7. magnets have these, north and south
- 11. part of motor that rotates
- 12. simple machine that bicycles and cars use
- 13. a complete path for electricity
- 14. simple machine that separates things
- 18. map for a circuit
- 19. spins to produce power
Down
- 1. it means "first of its kind" in Greek
- 4. simple machine that is a ramp
- 5. many cells in series
- 8. magnet made with electricity
- 9. part of motor that is stationary
- 10. one unit of a battery
- 15. Simple machine that holds things together
- 16. simple machine that uses a fulcrum (pivot point)
- 17. opens or closes a circuit