Across
- 3. Natural resources that cannot be readily replaced
- 8. reaction in which two or more different atomic nuclear
- 10. solar energy from sun, wind energy,biomass form plants
Down
- 1. electricity produced from hydro power
- 2. plant based materiel i used as fuel to produce heat or electricity
- 4. the use of nuclear reactions to produce electricity
- 5. a hydrocarbon containing materiel formed underground or dead animals and plants that humans burn
- 6. the use of wind turbines to generate electricity
- 7. thermal energy in the earths crust which originates from formation of the planet and from decayed materials in current uncertin but possibles roughly equal portions
- 9. use of the suns energy either directly as thermal energy or in solar panels to generate electricity
