Across
- 2. Eco-friendly alternative to incandescent bulbs
- 4. Smart devices that optimize energy use
- 5. Flow of electric charge
- 7. Device that stores electrical charge
- 8. Renewable energy source derived from Earth's heat
- 10. Device that converts sunlight into electricity
Down
- 1. Opposes the flow of current in a circuit
- 3. Converts mechanical energy to electrical energy
- 6. Opposite of conductor
- 9. Reuse of materials to create new products