Across
- 2. law that tells us that energy cannot be created or destroyed
- 4. energy produced per unit volume
- 6. how well a power plant converts one form of energy to another
- 9. energy produced per unit mass
- 12. not used directly but converted to a secondary source
- 14. the _____ of energy is being degraded
- 15. releases energy at a reasonable rate and produces minimal pollution
Down
- 1. used at a faster rate than can be replaced
- 3. substance thta can release energy by changing its chemical or nuclear structure
- 5. heat/time
- 7. energy that is no longer available for the performance of useful work
- 8. the ability to do work
- 10. replenished at a rate faster than it is used
- 11. an energy transfer can be 100 percent efficient (true/false)
- 13. where most energy is derived from