Across
- 1. The unit of current.
- 3. Oppositely charged objects do this.
- 6. These must be closed for a current to flow.
- 8. A resource for generating electricity that does not work at night.
- 12. Negatively charged particles that move through metals when a current flows.
- 13. A component that restricts the flow of current in a circuit.
Down
- 2. The component whose symbol is a circle with the letter M inside
- 4. Objects with the same charge do this.
- 5. Energy resources that take millions of years to form (6,5)
- 7. A material that does not let charges move through it easily.
- 9. An example of a chemical energy store in a circuit.
- 10. A device for measuring current.
- 11. An object that is neither positively nor negatively charged.