Across
- 3. Used to explain a scientific idea
- 6. How a voltmeter is placed in a circuit
- 8. Invented the telephone
- 10. Electricity that does not flow in a current
- 11. How do prisoners communicate? They use ___ phones!
- 13. Raising this lowers the current
- 17. Electrical device used to execute people in some parts of the USA
- 18. Does not allow an electrical current to pass through it
- 19. Used to create abstract models
- 20. Produces sound
Down
- 1. We need to be careful with electricity because it is a ....
- 2. bulbs, buzzers, motors etc
- 4. Produces light
- 5. How an ammeter is placed in a circuit
- 7. Unit of current
- 9. Glowing part of a bulb
- 12. Electricity is a form of _______
- 14. Turns the current on and off
- 15. Carries electricity
- 16. A safety component in a circuit