Across
- 4. a unit for measuring electrical power.
- 8. a path that electrical current will flow through.
- 9. the movement of energy through a wire.
- 10. to get smaller.
- 12. to wrap or cover something so that heat, cold or electricity will not get in or out.
Down
- 1. used to measure electrical currents like the amount of power in a battery.
- 2. something that comes from the sun.
- 3. the ability to let sound, heat or electricity pass through.
- 5. different.
- 6. power that comes from an electricity source, such as a wall outlet.
- 7. a challenge to overcome.
- 11. needing something.