Across
- 4. breaker an electrical tool that switches off an electric current that gets too high
- 5. a material that does not let electric charges flow through it easily
- 9. charge one of two kinds of particles, positive or negative, that are in objects
- 10. circuit a circuit in which the electrical charges flow through a single path
- 12. current a flow of electrical charges through a material, such as a wire
Down
- 1. circuit a circuit in which the electrical charges flow through more than one path
- 2. an electrical tool that melts to open a circuit if the electric current gets too high
- 3. a material that lets electric charges flow through it easily
- 6. a sudden movement of electrical charges from one object to another
- 7. a measure of how strong a battery or any other power source is
- 8. an electrical tool that increases or decreases the voltage in an electric current
- 11. electricity a build up of electrical charges on an object
