Why can very strong wind reduce dew formation?
Strong wind prevents a stable cool moist layer near the surface. Exam tip: treat calm air as favourable for dew.
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SubjectsGeography
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Strong wind prevents a stable cool moist layer near the surface. Exam tip: treat calm air as favourable for dew.
View question detailsFog makes it difficult to see distant objects clearly. Exam tip: write reduced visibility as the main effect of fog.
View question detailsFrost can form when water vapour deposits as ice on a very cold surface. Exam tip: remember frost as icy condensation.
View question detailsMist creates slight haziness due to tiny water droplets. Exam tip: identify mist as a reduced-visibility form.
View question detailsDew and frost are both related to atmospheric water vapour. Exam tip: remember similarity by moisture and difference by state.
View question detailsMoist air can cool and condense into tiny droplets. Exam tip: remember moisture and cooling for fog formation.
View question detailsWater surfaces add moisture to air and morning cooling can form mist. Exam tip: see water source and cooling together.
View question detailsFog and mist form when water vapour condenses into tiny droplets. Exam tip: treat both as forms of condensation.
View question detailsOn a cold night, if the leaf surface temperature falls below freezing, water vapour may deposit directly as tiny ice crystals. This is called frost, so the white icy coating indicates frost. Dew forms as liquid water droplets, not as icy crystals. Exam tip: liquid droplets indicate dew, while white ice crystals indicate frost.
View question detailsDew forms when water vapour near the ground cools to its dew point at night and condenses. It collects as tiny droplets on grass, leaves, vehicles, and other cool surfaces. Clouds form in the atmosphere, not as dew. Exam tip: dew is condensation that forms on surfaces.
View question detailsMist is made of tiny water droplets floating in air. Exam tip: connect mist with tiny droplets.
View question detailsClouds reduce radiational heat loss so the surface cools less. Exam tip: consider clear nights favourable for dew.
View question detailsFog forms when water vapour near the ground condenses into very tiny water droplets. These droplets remain suspended in the air and reduce visibility. Water vapour itself is invisible; the condensed droplets make fog visible. Exam tip: both fog and mist contain tiny water droplets, but fog is denser.
View question detailsFrost looks like a white layer because of ice crystals. Exam tip: identify frost by a white icy layer.
View question detailsDew forms when a surface cools around the dew point. Exam tip: directly link dew point with dew.
View question detailsCold moist air can stay in valleys and form fog. Exam tip: connect valleys with cold air pooling.
View question detailsLiquid droplets on a cold surface above freezing can be dew. Exam tip: separate dew and frost by temperature.
View question detailsWater vapour is invisible but droplets become visible after condensation. Exam tip: remember the difference between vapour and droplets.
View question detailsFrost forms when the ground surface or nearby objects cool below the freezing point and water vapour changes directly into tiny ice crystals. Dew forms as liquid water droplets, whereas fog and mist consist of tiny water droplets suspended in the air. Exam tip: ice crystals deposited on a surface indicate frost.
View question detailsMist reduces visibility somewhat but fog causes greater obstruction. Exam tip: consider mist lighter than fog.
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