Weather/ Winds
What is the basic cause of all weather?
The sun
Air is saturated when humidity is at what percent?
100%
An ice crystal forms in a cloud, becomes too heavy, falls and lands as liquid water.
Name the type of precipitation.
Rain
Big puffy clouds belong to what family?
Cumulus
Winds are produced by temperature differences on the earth.
True
Who are the scientists that study weather?
Meteorologists
What is water vapor that condenses and forms frozen water on the ground?
Frost
Falling ice crystals melt into raindrops then refreeze in the air.
Name the type of precipitation.
Sleet
Wispy, curly clouds very high in the atmosphere belong to what family?
Cirrus
Warm air is heavier than cool air.
False (Lighter)
What causes the Earth's seasons?
The tilt of the axis
Relative Humidity
Falling ice crystals melt slightly, stick, and freeze together into snowflakes.
Name the type of precipitation.
Wet Snow
"Thunderhead" is another name for what could?
Cumulonimbus
The air we live in receives most of its warmth from the sun.
False (Ground)
What line splits the earth into two hemispheres?
The equator
What is water vapor that condenses to form liquid water on the ground?
Dew
Falling ice crystals melt, hit the earth, and refreeze when they land.
Name the type of precipitation.
Freezing Rain
Sheets of clouds that often produce rain are what clouds?
Stratus
Lightning Bolts that do not come into contact with the ground but remain in the cloud are known as warning lightning.
False (Sheet)
Name all of the wind systems.
Polar Easterlies, Prevailing Westerlies, Trade Winds (Northeast and Southeast)
What is the process in which water vapor leaves the air and changes into liquid water?
Condensation
A small piece of ice is tossed up and down inside a cloud forming several layers of ice, until it is too heavy and falls to the earth.
Name the type of precipitation.
Hail
Layers of flat clouds belong to which family?
Stratus
The row of thunderheads that builds up in the front of advancing cold air is called a squall line.
True