lab

12345678910
Across
  1. 1. a metal found in the earth
  2. 7. the way earthquakes happen
  3. 8. a metal found in the earth
  4. 9. inner most layer
Down
  1. 2. when heat rises and cold air sinks
  2. 3. third layer
  3. 4. lava within earth
  4. 5. second layer
  5. 6. the degree of compactness of a substance
  6. 10. thin