Across
- 5. Hydrocarbon liquid that exists naturally underground
- 6. device that converts sunlight directly into electrical energy (electricity)
- 8. Nuclear power plant in USA malfunctioned and destroyed
- 9. Generation of electricity and energy
- 10. The time required for half of something to undergo a process
- 12. Radioactive isotope
- 14. Heat energy from the heart to generate energy
- 15. coal with a tar like substance
Down
- 1. Ukranine nuclear power plant fail
- 2. Power produced by tidal waves
- 3. Hard compact coal
- 4. injection liquid into high pressure rocks
- 7. sedimentary rock formed from compressed peat
- 11. Natural disaster in Japan nuclear power plant that caused 3 failures
- 13. Brown deposit similar to oil