Review Unit 3

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Across
  1. 5. The air, water, and land where living things exist.
  2. 7. The use of goods and services by people.
  3. 9. This land area is cool and good for growing tea.
  4. 10. A place with wide open spaces and clean air.
  5. 13. Materials such as coal and oil that cannot be replaced easily.
Down
  1. 1. A natural land feature that erupts with hot lava, ash, and gases from beneath the Earth’s surface.
  2. 2. The most jobs in coastal areas.
  3. 3. The land feature often called “the land above the clouds.”
  4. 4. A large body of water surrounded by land.
  5. 6. The activity of people who earn a living from the sea.
  6. 8. When polluted air damages plants and soil.
  7. 11. A natural land feature covered with many trees and plants.
  8. 12. A renewable source of energy that comes from the movement of air.