U5 Key words 3 & 2

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Across
  1. 3. the warming of Earth because of pollution
  2. 4. always looking correctly or doing what you need
  3. 6. plant or food, waste that can be burned to make energy
  4. 7. vehicles used to travel from one place to another
  5. 12. straight up
  6. 13. relating to a city or town
  7. 14. one or more persons who live in the same place, usually a family
Down
  1. 1. using little electricity, gas, etc; not wasting it.
  2. 2. to make something clean
  3. 5. moderate and comfortable heat.
  4. 8. to cover something with a substance that stops heat from going in and out
  5. 9. a tall structure with parts at the top that the wind turns to make electricity
  6. 10. the dried stems of plants such as wheat
  7. 11. a person or animal that lives in or at a specified place.