Across
- 3. oil that is extracted from the ground and then refined into other products
- 4. the fossil fuel most widely used for generating electrical power
- 6. the first step of coal formation
- 7. the most common nuclear fuel
- 8. in most electrical producing plants, water is heated to form ______ to spin a generator
- 11. the hardest, cleanest burning form of coal
- 13. this form of nuclear reaction splits an atom into 2 parts to release energy
- 15. a resource that are used up faster than they can be replaced
Down
- 1. a liquid mixture of complex hydrocarbon compounds
- 2. these wastes from nuclear reactions are harmful for thousands of years
- 5. mining coal can disrupt the land and lead to loss of ______
- 9. petroleum and natural gas are formed from _________ organisms millions of years ago
- 10. all living things contain this element
- 12. _____ rain can form from burning coal which releases chemicals that combine with moisture in the air
- 14. a brownish haze that can form from burning fossil fuels that pollutes the air