Marines Science Honors Physical Oceanography Vocab

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Across
  1. 4. -just below the Photic Zone and is known as the twilight layer.
  2. 5. a physiological process for locating distant or invisible objects (such as prey) by means of sound waves reflected.
  3. 6. vertical zone in the oceanic water column in which salinity changes rapidly with depth.
  4. 7. states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially, is equal to the weight of the fluid that the body displaces.
  5. 10. is an upward force exerted by a fluid that opposes the weight and size of an immersed object.
  6. 12. the amount of heat energy needed to change the temperature of 1 gram of a substance by 1c.
  7. 13. force exerted by a fluid stream on any obstacle in its path or felt by an object moving through a fluid.
  8. 15. is those that maintain a constant body temperature independent of the environment.
  9. 16. the layer closer to the surface that receives enough light for photosynthesis to occur.
  10. 19. the measure of how fast molecules/ atoms in a substance.
  11. 21. animals that have a constant body temperature.
  12. 22. ranges from about 1020 to 1029 kg/m3.
  13. 23. is kinetic energy in the random movement< or vibration< of the individual atoms & molecules in a substance.
  14. 24. fluid is composed of two parts.
  15. 25. the 'property of a material that expresses the degree of slowness with which its temperature reaches that of the environment.
Down
  1. 1. due to the weight of water pressing on submerged objects.
  2. 2. boundary separating two liquid layers of different densities.
  3. 3. The concentration of dissolved salt in a given volume of water.
  4. 8. any animal whose regulation of body temperature depends on external sources, such as sunlight or a heated rock surface.
  5. 9. is a method of camouflage in which an animal's coloration is darker on the upper side and lighter on the underside of the body.
  6. 11. -is the transition layer between warmer mixed water at the ocean's surface and cooler deep water below.
  7. 14. the amount of force exerted on an object
  8. 17. -the flow of water induced by differences in temperature and salinity.
  9. 18. all chemical reactions involved in maintaining the living state of the cells and the organism.
  10. 20. -is the portion of a lake or ocean where there is little or no sunlight.