Structure of Earth

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Across
  1. 2. decayed matter that makes the soil fertile
  2. 4. soft, brownish and sticky soil with very small particles
  3. 6. thick black molten fluid containing iron and nickel
  4. 8. major part of earth made up of rocks
  5. 9. outer shell of the earth
Down
  1. 1. water filtered by various layers of earth and becomes drinkable
  2. 3. mixture of sand, clay and humus
  3. 5. biggest part of earth by volume
  4. 7. central and hottest part of earth
  5. 8. big particles of soil that is grey in color and light in weight