Weather and Climate Unit Flashcards
(24 cards)
Air neat the ground rises when it is heated by the
ground which is heated by the sun
Warm air is ____ dense than cold air
less
Warm air moves ..
faster or upwards
Cold air is ____ dense than warm air
more
Cold air moves ..
slower or downwards
When water changes from a liquid to a gas that is called
Evaporation
when water vapor cools and becomes liquid again, it is called
condensation
clouds form through the process of
condensation and deposition
what is precipitation?
any form of water that falls from the sky
the amount of water vapor in the air
humidity
the type of cloud that hail forms in is called…
cumulonimbus
hail forms in clouds with strong…
updrafts
what is the usual temp. for hailstorms?
warm temps.
how does the sun heat the ground?
Through radiation
the ground heats the air above it through..
conduction
the surface that absorbs the most sunlight is …
the blacktop / darker surfaces (either is correct)
air above the black top is ____ than the air above grass
warmer
what should the temperature be like high in the atmosphere for hail to form?
very cold
what kind of air movement causes hailstones to grow larger before falling?
strong updrafts and downdrafts
what time of day do hailstorms usually occur?
late afternoon-evening
why is high humidity important for hailstorms formation?
so that water vapor can stick to CCN to form clouds. (more water in the air = more/larger hail)
What is conduction?
conduction is the transfer of heat through direct contact
What is convection
Convection is defined as the transfer of heat from one region of a fluid
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