Across
- 2. Clear material that is an insulator.
- 6. Covering on wires to keep people safe.
- 9. Energy we use to power lights and appliances.
- 10. Solid material from trees that is also an insulator.
Down
- 1. Material that does not allow electricity to pass through easily.
- 3. Common cooking metal that is a good conductor.
- 4. Material that allows electricity to pass through easily.
- 5. A shiny metal often used in electrical wires.
- 7. The flow of electricity.
- 8. Soft, stretchy material used to cover electrical wires.