Chapter 6 Lesson 1

123456789
Across
  1. 4. thick sheet of ice
  2. 5. made into gasoline for cars
  3. 7. used to make cement
  4. 9. found underground, used on dinner and roads
Down
  1. 1. the parts which make the surface of the Earth
  2. 2. natural resources which are valuable
  3. 3. used to make steel
  4. 6. decayed plants
  5. 8. raw resources in nature