Earth's Layers

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Across
  1. 7. The layer of the ocean containing most of the zooplankton
  2. 9. The second layer up in the atmosphere that contains ozone
  3. 10. The layer of the earth that is plastic like chewing gum
  4. 11. The dense central part of the earth made of iron and nickel
  5. 12. The rapid reduction in temperature in the ocean
  6. 13. The line that separates the troposphere from the stratosphere
Down
  1. 1. The layer of the atmosphere where all the weather occurs
  2. 2. The near-surface layer of the ocean that receives light from the sun
  3. 3. The layer of the atmosphere that bounces radio waves
  4. 4. The chemical layer of the earth between the crust and the core
  5. 5. The layer of the atmosphere that burns up meteors
  6. 6. The solid surface layer of the earth
  7. 8. The layer in the ocean that is nearest the bottom and has no light
  8. 11. The layer of the earth containing Igneous, Sedimentary and Metamorphic rocks