Stratus means…
Layer
Cirrus means…
Wisp or curl
When air is cooled by the ground beneath it, liquid water is deposited as _____ on the ground
Dew
A single large unit of air with uniform temperature and humidity characteristics
What is an air mass?
True or false:
Warm air can hold much more water vapour than cold air can
True
A special type of cloud at ground level
What is fog?
Cumulus means…
Puffy and bulgy
The boundary between two air masses
What is a front?
If the temperature of the ground is below freezing, water vapour in the air freezes as it condenses to form _____ on the ground
Frost
We refer to the measurement of humidity as…
Relative humidity
Is often placed in front of a cloud name to describe clouds that are at a medium height
What is alto?
Fluffy cloud balls that are often seen dotting the sky on a fine day
What are cumulous clouds
In order to rotate completely in one day, how fast does the earth’s surface spin
1000 miles per hour
The temperature at which cooling air becomes saturated
Dew point
if the humidity of the air is 100%, we say the air is ____
Saturated
Forms when warm air moves over cold water
What is sea fog?
The term used to describe a cloud from which rain is falling
What is nimbus?
Name the three main ingredients needed for cloud formation
Water, rising air, dust
The process in which released water vapour leaves the air and changes back into liquid water
Condensation
True or false:
The earth travels around the sun about 1000 miles an hour
False.
66,600 miles an hour
Flat clouds that often produce rain or are a sign that rain is approaching
What are stratus clouds?
Found at the very top of the troposphere and are not made of water droplets but of very small ice crystals
What are cirrus clouds?
Name the three major wind systems
Trade winds, prevailing westerlies, polar easterlies
Produced by temperature differences found on the earth
Wind
True or false:
Warm air weighs less than cool air
True