Oceanography Test 2 study guide
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Heat is... | The TOTAL energy of randomly moving molecules
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| Temperature is... | The measure of the AVERAGE speed of molecules
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| The degrees most often used by scientists to measure temperature? | Celcius
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| The amount of heat required to raise the temperature of a substance by a given amount. | Heat Capacity
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| What happens to water's density as it freezes? | becomes less dense
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| True or false- Most substances, other than water, get denser when frozen. | True
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| Heat loss when water freezes without a change in temperature is called? | Latent heat of fusion
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| The heat required to vaporize a substance is called? | Latent heat of evaporation
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| The tendency for water to resist temperature change? | Thermal inertia
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| Cooling at the same rate as heating is called? | Thermal equilibrium
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| What two things make seawater more dense? | Low temperature and Salinity
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| What happens to the density of seawater as you go deeper? | Becomes more dense
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| What percentage of the ocean's volume is made up by the surface water? | 2%
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| The boundary between layers of the ocean based on temperature? | Thermocline
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| Particles in water absorb light and turn it into what? | Heat
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| A zone of the ocean where sunlight never reaches. | Apothic
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| True or false- Cool ocean temperatures make organisms live longer. | False
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| What is an advantage of an Endotherm's metabolic rate? | It's rate stays the same.
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| How much faster does sound travel through water than air? | 5 times faster
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| The pressure you feel (not fish) as you go deeper in water. | Hydrostatic pressure
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| What happens to the ratio of cell surface to volume as it's diameter increases? | Decreases
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| Why is a high surface to volume ratio in cell's important? | It affects the efficiency of the cell membrane
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| What is the importance of buoyancy on marine organisms? | It minimizes the effects of their weight.
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| The most common adaptation of marine organisms for overcoming water resistance? | Streamlining their bodies
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| Organisms can be be introduced to new habitats via the oceans by this. | Drifting
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