Across
- 3. Natural gas produces less overall ________.
- 5. Drilling a natural gas well can disturb fragile _______.
- 7. Conventional natural gas is extracted by drilling _______.
- 11. Unless an odorant is added to the gas, leaks can go _________.
- 14. Who dug the first successful natural gas well in the U.S. in Fredonia, New York?
- 15. Natural gas is a __________ source of energy.
- 16. The British used natural gas produced from _______ to light houses and streets.
- 17. Natural gas is ______ than air.
Down
- 1. The first city in the United States to light its streets with gas.
- 2. Frequently, it is used for fueling engines, cooking with stoves, and for central heating within the home or larger buildings.
- 4. A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
- 6. For transport across bodies of water, gas is _______ and carried by ship.
- 8. A gas that is used for generating electricity through gas and steam turbines.
- 9. Gas is highly ________, which means leaks can result in explosions.
- 10. The country that built a bamboo pipeline to transport gas.
- 12. A mixture of gases that are rich in hydrocarbons.
- 13. Name the country that is the world's largest producer of natural gas.