Across
- 2. what helps the wheels spin
- 5. name of the gear that leads number 5
- 7. what helps connect a wheel to an axle
- 9. a particle that flows through a wire
- 10. wrapped around a particle's passage for safety
- 12. used to connect circuits
Down
- 1. used as a passage for particles to flow through
- 3. passage where particles can flow
- 4. name of the gear that follows number 4
- 6. used to power the motor
- 8. strongest conductor
- 11. used to open and close the circuit