Which fog can form when moist air from the sea moves over cold land?
Moist air moving over a cold surface can cool to dew point. Exam tip: connect horizontal movement with advection fog.
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Moist air moving over a cold surface can cool to dew point. Exam tip: connect horizontal movement with advection fog.
View question detailsWater vapour can turn into droplets in contact with cold grass. Exam tip: connect surface cooling with dew.
View question detailsFog reduces seeing distance and affects transport. Exam tip: connect fog impact with visibility.
View question detailsSeeing distance remains greater in mist than in fog. Exam tip: treat mist as a light condensation form.
View question detailsFrost occurs when the temperature falls below freezing, allowing ice crystals to form on plants and sometimes within their tender tissues. These crystals can injure cells, causing leaves to wilt and reducing crop growth or yield. Frost does not permanently stop rainfall or block sunlight. Exam tip: associate frost with below-freezing temperatures and damage to delicate crop tissues.
View question detailsDew is droplets on a surface while fog is suspended droplets in air. Exam tip: write the location-based difference.
View question detailsAbove freezing, water vapour can form liquid droplets as dew. Exam tip: connect above-freezing condition with dew.
View question detailsWarming moves air away from saturation and fog droplets may evaporate. Exam tip: connect fog clearing with heating.
View question detailsAir near cold glass can reach dew point and form droplets. Exam tip: this is a daily example of dew.
View question detailsFog forms when water vapour in air condenses into tiny droplets. Exam tip: connect saturation with fog formation.
View question detailsMist and fog can both form by condensation. Exam tip: remember droplets as similarity and visibility as difference.
View question detailsAt night the surface can cool and saturate nearby moist air. Exam tip: connect radiation fog with night cooling.
View question detailsIn frost, water vapour can deposit as solid ice crystals. Exam tip: connect direct vapour to ice with frost.
View question detailsWithout clouds, the surface can cool more by radiation. Exam tip: connect clear sky with radiational cooling.
View question detailsCold winter nights are favourable for frost. Exam tip: connect frost with below-freezing surface.
View question detailsDew forms when a surface cools the nearby air to its dew point, causing the water vapour present in the air to condense into tiny droplets. Very dry air contains little water vapour and usually has a low dew point, so dew is less likely to form even when the surface cools. Option B is incorrect because dry air has a lower, not higher, dew point. Exam tip: dew requires sufficient water vapour and cooling of a surface to the dew point.
View question detailsFog droplets are tiny so they appear suspended in air. Exam tip: connect droplet size with fog.
View question detailsSmall droplets in mist scatter light and create slight haze. Exam tip: connect mist with slight haze.
View question detailsIn dew, water vapour changes into liquid droplets. Exam tip: understand dew as gas to liquid change.
View question detailsCold air can collect in low areas and frost can form. Exam tip: connect low lying area with frost risk.
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