Across
- 2. a type of electrical conductor
- 5. muscles located on the back part of the arm
- 7. a muscle that helps you to inhale and exhale
- 10. process of turning food you eat into nutrients
- 13. a material that does not allow heat or electricity to pass through
- 14. a circuit that only has one path for electricity to flow through
Down
- 1. when you connect too many cables
- 3. an electrical system that you can watch programmes on
- 4. a circuit that has more than one path for electricity to flow through
- 6. a material that allows heat or electricity to flow through
- 8. a type of electrical conductor that can be used to cook food with
- 9. a type of material that is an insulator and it is sturdy
- 11. muscles on the front part of the upper arm filament a fine metal thread found in the bulb
- 12. a material you can see through that is an insulator that easily breaks