Humidity
What is the measure of the amount of water vapor in the air?
humidity
Clouds form when the amount of water vapor in the air ________ to form liquid water or ice crystals.
condenses
What is the name of white, fluffy clouds?
Cumulous
What clouds show fair weather?
Cumulous
What is the instrument used to measure relative humidity?
psychrometer
What is the percentage of water vapor air in the air compared to the amount of water vapor air can hold at a particular temperature?
relative humidity
What is the temperature at which condensation begins?
dew point
What clouds look like fish hooks or horse tails?
Cirrus
What cloud has drizzle, snow, or rain?
nimbostratus
Give 3 facts that is true about condensation of water vapor.
It occurs on cold surfaces, it is why clouds form, and it forms on dust particles
Relative humidity depends on __________.
temperature
What is water that condenses from the air onto a cooler surface?
dew
What clouds look like layers?
Stratus
What clouds show that storms are on the way?
Cirrocumulous
Name one of the higher elevation clouds.
Cirrus, cirrocumulus and cumulonimbus
Relative humidity is written as a: number, percentage, fraction, decimal?
percentage
What is ice that has been deposited on a surface with a temperature that is below freezing?
frost
What cloud looks like fish scales?
Altocumulus
What clouds show that thunderstorms are going to happen soon?
Cumulonimbus
Name two types of particles that are needed in the air for condensation so that clouds can form.
Dust, salt crystals , smoke
Cold air can hold (more, less, same) water as warm air.
less
What is the process by which molecules of water vapor become liquid water?
condensation
What is the name of towering clouds that have a flat top?
Cumulonimbus
What clouds show cooler/colder weather is soon?
Cirrus
Name the main 3 parts of the water cycle.
evaporation, condensation, precipitation