Science

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Across
  1. 2. Supports protects the body
  2. 6. Type of soil used for making pottery
  3. 9. Type of energy that comes from the sun
  4. 10. In the desert, soil erosion occurs through
  5. 12. This makes windmill turn
  6. 13. Clay and loam are suitable for cereals like
  7. 14. 70% of the earth is made up of
  8. 15. Use should be banned to avoid soil pollution
  9. 16. Lungs belongs to this type of system
  10. 19. An opening in the earth's crust which throws hot gases, magma and ashes
  11. 20. Biological mass
  12. 21. Earth has 3 layers; the crust, the core, and this
  13. 22. Plantation prevents it
Down
  1. 1. A kind of energy we get from the sun
  2. 3. Weather tool is used to measure air pressure
  3. 4. The amount of moisture in the air
  4. 5. Earths atmosphere is made up of 78% ________ and 21% oxygen
  5. 7. Any kind of power
  6. 8. This layer protects the earth from harmful solar radiation
  7. 11. A living organism in the soil
  8. 15. The collective name for layers of soil
  9. 17. Something in the air, water, land that makes it dirty
  10. 18. The part of a plant that produces most of its food