The Atmosphere
Precipitation
Storms
Clouds
Vocabulary
100
The atmosphere is mainly a mixture of what 2 gases?
What are nitrogen & oxygen
100
What is the most common form of precipitation?
Rain
100
Name 2 kinds of weather fronts & there symbols.
cold front Warm front
100
What kind of cloud is this?
Cirrus
100
What is any form of water that falls from the clouds?
Precipitation
200
As the altitude increases, what happens to the air pressure?
Decreases
200
What are ice pellets larger than 5 mm that form during a thunderstorm called?
Hail
200
What is the symbol for a warm front.
__________________
200
What kind of clouds produce snow?
Nimbostratus
200
In which layer of the atmosphere does weather happen?
Troposphere
300
Whis is ozone & where is it found?
3 atoms of oxygen and is found in the stratosphere.
300
The weathe around the world is different because the Earth is heated _________. A) evenly B) rapidly C) steadily D) unevenly
D) unevenly
300
When the sun heats & evporates large amounts of ocean water it can form a _________? A) a flood B) hurricane C) a tornado
C) a tornado
300
What are the 3 main types of clouds?
cumulus, cirrus, stratus
300
Water vapor in air becomes liquid in process called _________.
Condensation
400
Name the 4 main layers of the atmosphere in order from Earth.
troposphere, stratosphere, mesosphere, thermosphere
400
What instruments is used to measure rain?
rain gauge
400
In the middle of the US, air masses can come together to form a ____________
Tornado
400
What are clouds that form at or near the ground?
Fog
400
Long periods of little or no precipitation is called_______.
Drought
500
Convection currents happen because ________air sinks & _______ air rises.
Cold air sinks & warm air rises
500
Name the 5 common types of precipitation.
rain, freezing rain, sleet, snow, hail
500
Another name for a thunderhead cloud is __________.
Cumulonimbus
500
What are layered clouds that can cover much of the sky?
Stratus
500
What is the percent of water vapor in the air compared to the amount it can hold?
Relative humidity