Weather in the Atmosphere - Lesson 2

The process of water always moving between Earth's surface and the atmosphere is the _________.

• water cycle

• carbon cycle

• nitrogen cycle

• rock cycle

Science behind evaporation: water molecules collide more often as the sun heats them up and some _____ & enter air.

• stay

• escape

• freezing, solidify

• sublimation, disappear

When plants and animals release water vapor into air that is known as ________.

_________ occurs when water vapor cools and mixes with salt crystals, dust, bacteria, or smoke particles which can form ________, fog, or dew on glass or windows.

• Evaporation, rain

• Condensation, clouds

• Sublimation, snow

• Precipitation, hail

. ________ air can hold more water vapor than cool air.

• Warm

• Cold

• Dry

• Moist

Relative humidity, the reflection of how air moist and thick air ________, can be measured using a ________.

• seems, barometer

• feels, thermometer

• appears, hygrometer

• feels, psychrometer

When enough condensation occurs in a cloud, water droplets form & when they get too heavy ________ pulls them back down to Earth as ________.

• gravity, precipitation

• wind, evaporation

• pressure, condensation

• temperature, sublimation

________ is an important factor in determining precipitation an area may get (warm: rain, cold: snow/ice).

• Temperature

• Humidity

• Wind Speed

• Pressure

Freezing rain: raindrops ________ when they hit a cold surface; ________: ice pellets; ________: raindrops that fall through air below 0°C and freeze into ice particles smaller than hail, ________: water vapor in clouds become ice crystals.

• freeze, hail, sleet, snow

• melt, rain, fog, dew

• evaporate, mist, frost, drizzle

• condense, storm, cloud, vapor

10 cm snow has same amount of water as _______ cm of rain.

• 1

• 0.5

• 2

• 5