Air
Atmosphere
Weather
Weather Instruments
Vocabulary (answer with a question)
100
What is air?
A mixture of gases surrounding the Earth.
100
What is the atmosphere?
The layers of gas (air) surrounding the Earth.
100
What is a weather variable?
Any condition of the atmosphere that can change.
100
What weather factor (variable) does a thermometer measure? What unit is used?
It measures temperature. Unit= degrees Celsius or Fahrenheit
100
data that weather scientists measure
What are weather variables?
200
True or False: Air can be compressed.
True. Air can be pushed into a smaller space.
200
In which level of the atmosphere does weather occur?
Troposphere
200
Mitch is a scientist who studies the Earth's weather. What is his job title?
Meteorologist
200
What weather factor (variable) does a hygrometer measure? What unit is used?
A hygrometer measures humidity. Unit = percent
200
the scientific study of Earth's weather
What is meteorology?
300
True or False? Air can be found inside a closed container.
True. Air is everywhere.
300
What are the two most plentiful gases in the Earth's atmosphere?
Nitrogen (#1) and Oxygen (#2)
300
Kate looked at her barometer three days in a row and noticed the number was rising. What kind of weather should she expect?
Fair and dry
300
What weather factor (variable) does a wind vane measure?
A wind vane measures wind direction Unit = compass directions (N, E, W, S, etc.)
300
forced into a smaller space
What is compressed?
400
True or False? Air is made up of three gases: oxygen, carbon dioxide, and nitrogen.
False.
400
In which layer of the atmosphere can you find the ozone layer?
Stratosphere
400
Justin went outside and noticed that the air felt wet, even though it wasn't raining. Why?
Humidity level is high
400
What weather factor (variable) does a barometer measure? What unit is used?
A barometer measures air pressure. Unit = millibars
400
a prediction about what kind of weather to expect
What is a forecast?
500
True of False? There is a lot of carbon dioxide in the air.
False. Carbon dioxide makes up less than one percent of the gas in the air.
500
Which layer of the atmosphere is the thinnest?
Troposphere
500
True of False? An earthquake is an example of weather.
False. Weather is the condition of the atmosphere at a given time. Earthquakes occur underground.
500
If the number on a barometer is falling, what type of weather is likely coming?
A falling number on a barometer indicates rain is likely (or snow if the temperature is below freezing).
500
the push when compressed air pushes back
What is pressure?
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