Across
- 3. Energy and materials found in the nature that are used by the human society are termed as:
- 4. Natural resources that are converted by humans into various forms of usable energy are classified as:
- 5. Power- Power generated by harnessing wind energy using wind mills and turbines known as:
- 7. Energy- Energy from the Sun that is converted into thermal or electrical energy is known as:
- 9. What resources can’t be replaced, or nature will take a long time (millions of years) to replace?
- 11. Fuels- Energy resources formed in the Earth’s crust from plant and animal matter over millions of years:
- 12. Power- Power generated by utilizing the heat stored beneath the Earth’s surface is referred to as:
- 13. Fossil fuels in form of liquid and gaseous hydrocarbons found in underground reservoirs:
- 15. Energy- Electricity produced from energy released by controlled atomic fission is known as:
Down
- 1. What type of resources are constantly replaced by nature, and can be harvested indefinitely?
- 2. Power- Electricity produced by harnessing the energy of flowing water known as:
- 6. resources such as rivers, lakes, glaciers and groundwater are termed as:
- 8. Natural resources from the biosphere, such as forests, crops and wildlife, are termed as:
- 10. Plant matter grown to generate electricity, heat or use as fuel is referred to as:
- 14. Natural resources from which various metals and chemicals are extracted are termed as:
- 16. Name the solid fossil fuel formed by decomposed plant material buried over millions of years.