Geography
Forms of condensation: dew, frost, fog, and mist
Practice questions
What can cause dew on a surface and mist in air to form together?Which group of clues is most scientific for identifying dew frost fog and mist?If the surface is cold at night but the air above is dry and well mixed why can both dew and fog remain limited?What is the main process behind water droplets forming on grass after strong radiational cooling on a clear night?If the surface temperature is below freezing and water vapour changes directly into ice crystals, which form will develop?When dense tiny water droplets in the lower atmosphere greatly reduce visibility, what condition is it called?Which condensation form is less dense than fog and generally allows greater visibility?Why do calm air and clear sky favour dew formation?Compared with dew formation, what is the most decisive additional condition for frost formation?Why is fog often seen in river valleys after night?What is the most accurate physical difference between dew and frost?Which condition is most suitable for radiation fog formation?Warm moist air moves over a cold surface near a coast and cools horizontally into droplets. Which type of fog is this?Why can frost be more damaging to crops than dew?Which statement best describes the role of a cold surface in dew formation?If morning visibility is slightly reduced but objects are still relatively clear, which form is more likely?In which condition is dew formation least likely?Moist air climbs a hill slope, cools, and forms fog near the surface. What is it called?If air temperature and dew point become very close, which possibility increases?Why are dew droplets often first visible on grass, leaves, and metal?