Oceanography Crossword Puzzle

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Oceanography Crossword Puzzle

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QUESTIONS LIST:

  • continental shelf : the extended perimeter of each continent, which lies submerged under relatively shallow seas.
  • continental slope : the steep slope where the continental shelf drops to the deep ocean floor.
  • abyssal plain : a flat, almost level area of the deep-ocean basin.
  • mid-ocean ridge : an underwater mountain range formed by plate tectonics.
  • trench : a deep, narrow depression in the ocean floor, often caused by tectonic activity.
  • seamount : an underwater mountain rising from the ocean floor that does not reach the surface.
  • hydrothermal vent : an opening in the sea floor out of which heated mineral-rich water flows.
  • thermocline : a layer in a body of water where the temperature changes rapidly with depth.
  • epipelagic zone : the uppermost layer of the ocean, where sunlight penetrates.
  • mesopelagic zone : the middle layer of the ocean, receiving very little light.
  • bathypelagic zone : the deep ocean layer, where no sunlight reaches.
  • abyssopelagic zone : the layer of the ocean at depths between 4,000 and6,000 meters.
  • hadalpelagic zone : the deepest layer of the ocean, found in ocean trenches.
  • salinity : the concentration of salts in water.
  • upwelling : the rising of cold, nutrient-rich water from deep in the ocean to the surface.
  • plankton : small and microscopic organisms drifting or floating in the sea.
  • nekton : aquatic animals that can swim and move independently of water currents.
  • benthos : organisms that live on, in, or near the seabed.
  • tsunami : a series of ocean waves with extremely long wavelengths caused by large-scale disturbances.
  • coral reef : a diverse underwater ecosystem held together by calcium carbonate structures secreted by corals.