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Subjects

Geography

Humidity, evaporation, and condensation

TOPIC PRACTICE

Quiz this set

Up to 20 questions from this page. Select your focus, then start.

20 questions
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Hard · Level 86 · fog,cloud,condensation
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  1. Because fog is a cloud near the ground while a cloud is aloft
  2. Because fog is always dust free
  3. Because cloud has no water vapour
  4. Because fog forms only in deserts
Hard · Level 86 · relative humidity,percentage,saturation capacity
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  1. Air holds (80%) of its saturation capacity at that temperature
  2. (80%) of air is liquid water
  3. Rain probability is definitely (80%)
  4. (80%) of ocean water has evaporated
Hard · Level 86 · condensation nuclei,cloud formation,droplets
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  1. Because water vapour has fewer tiny surfaces to form droplets on
  2. Because gravity disappears in air
  3. Because temperature always keeps rising
  4. Because ocean water becomes solid
Hard · Level 86 · desert air,relative humidity,temperature
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  1. Because saturation capacity is very high at high temperature
  2. Because deserts have no air
  3. Because sand turns vapour into oxygen
  4. Because the Sun measures relative humidity
Hard · Level 86 · dew,grass,surface cooling
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  1. Grass surface can cool rapidly to the dew point
  2. Dry soil cannot produce any water vapour
  3. Grass heats the air strongly
  4. Condensation never occurs on soil
Hard · Level 86 · evaporation,latent heat,cooling
View options
  1. Because water molecules take latent heat while becoming vapour
  2. Because evaporation always produces heat
  3. Because evaporation is visible only at night
  4. Because water vapour has no energy relation
Hard · Level 86 · condensation,latent heat,instability
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  1. Because released latent heat can keep rising air warmer
  2. Because condensation immediately pulls all air downward
  3. Because condensation stops solar radiation
  4. Because water vapour makes pressure zero
Hard · Level 86 · maritime air,continental air,humidity
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  1. Because the ocean is a large continuous source of water vapour
  2. Because land has no temperature
  3. Because condensation never occurs over the sea
  4. Because continental air is always saturated
Hard · Level 86 · wind speed,evaporation,water body
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  1. Because it removes the saturated moist layer and brings drier air
  2. Because wind turns water into stone
  3. Because strong wind always lowers temperature below freezing
  4. Because wind destroys water vapour
Hard · Level 86 · cold air,saturation,humidity
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  1. Because cold air has low water vapour holding capacity
  2. Because vapour has no weight in cold air
  3. Because cold air never comes from sea
  4. Because cold air has no condensation nuclei
Hard · Level 86 · dew,frost,condensation
View options
  1. Dew is liquid droplets while frost is ice crystals or ice deposition
  2. Dew forms only in clouds and frost only in oceans
  3. Dew has no condensation
  4. Frost always forms at high temperature
Hard · Level 86 · humid weather,evaporation,clothes drying
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  1. Air has little extra capacity to accept more vapour
  2. Air has no molecules
  3. Water in clothes becomes ice
  4. Sunlight is always absent
Hard · Level 86 · relative humidity,formula,vapour pressure
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  1. Ratio of actual vapour pressure to saturation vapour pressure
  2. Ratio of land temperature to ocean salinity
  3. Ratio of rainfall amount to river length
  4. Ratio of wind direction to mountain height
Hard · Level 86 · constant temperature,humidity,vapour pressure
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  1. Because saturation capacity remains nearly the same while actual vapour pressure rises
  2. Because temperature suddenly falls to zero
  3. Because air changes colour
  4. Because evaporation stops
Hard · Level 86 · soil moisture,evaporation,water availability
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  1. Because more water is available at the surface
  2. Because soil moisture turns air into stone
  3. Because moist soil blocks the Sun
  4. Because temperature cannot be measured in moist soil
Hard · Level 86 · evapotranspiration,vegetation,humidity
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  1. Evapotranspiration
  2. Weathering
  3. Meandering
  4. Deposition
Hard · Level 86 · urban fog,pollution,condensation nuclei
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  1. More dust and smoke provide condensation nuclei
  2. Cities never have water vapour
  3. Concrete makes air invisible
  4. Buildings completely consume clouds
Hard · Level 86 · descending air,relative humidity,compression warming
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  1. It generally decreases because saturation capacity increases
  2. It always becomes (100%)
  3. All water vapour becomes rainfall
  4. Vapour pressure becomes zero
Hard · Level 86 · dew point,cloud formation,saturation
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  1. Because at that temperature air becomes saturated and condensation begins
  2. Because air has no vapour at dew point
  3. Because dew point only shows ocean depth
  4. Because clouds form in warm air without saturation
Hard · Level 86 · evaporation fog,water body,cold air
View options
  1. Warm water can enhance evaporation and cause condensation in cold air
  2. Cold air instantly turns water into stone
  3. Warm water produces no vapour
  4. Fog forms only on dry mountains