Across
- 4. the force behind control and influence
- 5. interconnected systems that share information
- 6. energy sources that won't run out, like wind and sun
- 8. a state of matter that fuels your stove
- 9. a spinning force that harnesses wind or water for power
Down
- 1. it can be high or low
- 2. ancient energy sources from deep within he earth
- 3. Digging deep for precious resources
- 7. something that is clear
- 8. the framework that powers our homes and cities
