Across
- 3. this type of fuel is non renewable and releases CO2
- 6. the phase our Sun is in of its lifecycle
- 7. the name of our galaxy
- 9. adding bulbs in to a circuit like this means they get dimmer
- 12. another term for battery
- 13. greenhouse gas
- 16. explosion of a red supergiant
- 18. type of power generated when water is pumped down to hot rocks
Down
- 1. units of current
- 2. the stage after a red giant
- 4. category of fuel that regrows or is continually replaced
- 5. formed when hydrogen atoms fuse
- 8. the type of orbit used by a communication satellite
- 10. example of a nuclear fuel
- 11. used to measure potential difference
- 14. unit of resistance
- 15. particles which move creating a current
- 17. elements formed during a supernova