Is overturn a benefit or problem for life in the oceans?
Benefit: brings O2 and nutients deeper, the mixing of water keeps salinity and temperature consistent.
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20
What makes water different than other substances? What unusual characteristics does it have because of this?
1. Hydrogen bonding- Less dense as a solid, high specific heat, high surface tension which causes higher boiling and lower freezing
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15
What is the Coriolis effect?
The way in which the rotation of the earth bends the path of the wind and resulting sea currents
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15
What are the 3 ways plates can interact with each other.
1. moving towards each other-colliding. 2. moving away from each other- sea floor spreading. 3. sliding beside each other - shearing
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20
What causes surface water to become more dense?
1. evaporation - increased salinity 2. colder air temperatures - cools off the water
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20
Where do you find the most marine life and why?
The continental shelf, because sunlight reaches to the bottom there
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15
Why are deep sea organisms hard to study?
The pressure is very high in that environment.
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15
What are we talking about when we say "salts"?
any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation.
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banana
Go to last place!
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rocket
Go to first place!
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shark
Other team loses 25 points!
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lifesaver
Give 20 points!
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boom
Lose 50 points!
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gift
Win 10 points!
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rocket
Go to first place!
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lifesaver
Give 15 points!
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15
What are Gyres?
largely mostly circular systems of surface currents driven by the wind.
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20
What is specific heat? Name one substance with a high specific heat and one with a low specific heat.
the energy required to raise the temperature of one gram of a given substance by one degree Celsius.
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15
What is subduction?
The downward movement of one plate into the mantle when two plates collide.
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15
What is a mid ocean ridge?
a long, seismically active ridge system situated in the middle of an ocean and marking the site of the upwelling of magma associated with sea-floor spreading
