Layers of the Atmosphere
Which layer of the atmosphere is closest to the Earth?
Troposphere
This front is represented by blue triangles
Cold Front
As elevation increases, what happens to temperature?
Which instrument measures temperature?
Thermometer
Which gas is most abundant in the Earth's atmosphere?
Nitrogen
Thermosphere
This is represented by an H and usually means nice, clear weather.
High Pressure System
What is the main cause of thunderstorms?
The sun is heated by the Earth
What instrument measures weather direction?
What is the second most abundant gas in Earth's atmosphere?
Oxygen
In what layer does weather occur?
Troposphere
This front is represented by alternating blue triangles and red semi-circles.
Stationary Front
Which gas, when condensed, creates clouds?
Water Vapor
What instrument measures humidity?
Hygrometer
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Which layer of the atmosphere is between the troposphere and mesosphere?
Stratosphere
This is represented by a L on a weather map and causes cooler, windy conditions, with precipitation.
Low Pressure System
If an area is experiencing a warm front and a high pressure system, what kind of weather is most likely occurring?
Clear skies, warm temperature, "perfect day"
What instrument measures humidity?
Hygrometer
What causes air pressure?
Gravity
Which layer of the atmosphere is the tallest?
Exosphere
If a weather map shows red semi-circles and an H over Virginia, what kind of weather could we expect to have?
Sunny, warm weather
Would it be a good idea to go to the beach on a day when there is a low pressure system? Why or why not?
No, because it will most likely be cloudy and rainy.
What instrument measures wind speed?
Anemometer
Weather that happens in your area is considered _________ weather.
Local