Chemistry of the Ocean

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Across
  1. 3. Deep ocean zone from 4,000–6,000 m; near‑freezing and pitch black.
  2. 8. The supercontinent that existed 200 million years ago.
  3. 9. Science The field that combines biology, chemistry, physics, and geology to study the ocean.
  4. 11. The zone from 200–1000 m where faint light exists.
  5. 12. Process where one plate sinks beneath another.
  6. 14. Rigid outer layer made of crust + upper mantle.
  7. 16. Study of the physical characteristics of the ocean.
  8. 18. boundary Boundary where plates move apart and create new crust.
Down
  1. 1. The ocean that is the smallest and shallowest.
  2. 2. The ocean layer with constant 39°F temperature.
  3. 4. biology The study of organisms that live in the ocean.
  4. 5. Spreading The process where new seafloor forms at mid‑ocean ridges.
  5. 6. Ocean zone where sunlight allows photosynthesis.
  6. 7. Deep V‑shaped feature formed by subduction.
  7. 8. The ocean that is the largest on Earth.
  8. 10. The deepest ocean zone, found in trenches.
  9. 11. Semi‑solid layer beneath the crust.
  10. 13. Sediment that is formed from previously living marine organisms
  11. 15. vents Hot,mineral‑rich deep‑sea springs that support early life.
  12. 17. Tool that uses sound waves to map the seafloor.