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Grade 5 Ocean Unit

Mrs. S Grade 5 Ocean Unit Test

QuestionAnswer
2 ways that salt/minerals are added to the ocean rivers, underwater volcanos
3 things that affect currents Earth rotation, salinity, wind
Where is the ocean warm? shore
What technology would a scientist use to measure ocean depth? sonar
What is formed underwater when two tectonic plates move away from each other? mid-ocean ridge
3 resources that humans use from the ocean animals, minerals, water
A large amount of water moving in the same direction (RIVER) is called current
Animals (free-swimming) that can live in deep waters or near the surface are called nekton
The amount of dissolved minerals/salts in ocean water is called the salinity
This brings warm water from the Equator up the coast of the United States Gulf Stream
The deepest zone of the ocean midnight
This ocean zone has the most life sunlight
This ocean zone has the highest water pressure midnight
The warmest zone in the ocean sunlight
Could you explore a trench using SCUBA gear? NO, the water pressure is too great
Could you explore a trench using a submersible? YES, they allow for deep water exploration
Starfish - Benthos or Nekton? Benthos
Whale - Benthos or Nekton? Nekton
Crab - Benthos or Nekton? Benthos
Sea Turtle - Benthos or Nekton? Nekton
Nekton free swimming
Benthos live on the bottom of the ocean
Seamount Isolated underwater mountain
extends from the rise across nearly half of the ocean floor. It is flat and formed from sediment abyssmal plain
Trench The deepest places in the ocean
Shallow extension of land around all continents continental shelf
Food chain...phytoplankton make food using sunlight
Food chain...zooplankton eat phytoplankton
Food chain...small fish eat zooplankton
Food chain...sharks eat small fish
Created by: albrevard
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