Marine science crossword bonus

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Across
  1. 1. Steady winds that blow from east to west toward the Equator, replacing the hot air that rises at the Equator.
  2. 2. The outer layer of the atmosphere, that extends from 90–500 km above Earth’s surface.
  3. 4. Different atomic forms of an element.
  4. 5. Microscopic particles in the atmosphere.
  5. 6. The layer of the atmosphere closest to the surface of Earth (up to 12 km high).
  6. 8. The movement that results when heat is transferred in a fluid, like the heat-driven motion observed in the Earth’s mantle.
  7. 11. The winds that blow from west to east at middle latitudes.
  8. 13. The layer of the atmosphere between 20–50 km above Earth’s surface.
  9. 14. Variable winds that blow at high latitudes.
  10. 15. Gases that block transmission of heat back to space and insulate Earth.
Down
  1. 1. The division between the troposphere and the stratosphere 12–20 km above Earth’s surface.
  2. 3. The layer of the atmosphere between 55-90 km above Earth’s surface.
  3. 7. The movement of air over Earth’s surface.
  4. 9. Ozone (O3) in the atmosphere that deflects ultraviolet radiation, which is harmful to life.
  5. 10. The tendency of objects moving large distances on Earth’s surface to bend to the right in the northern hemisphere and to the left in the southern.
  6. 12. The transition between the stratosphere and the mesosphere, 50 km above Earth’s surface.