Show:
Weather Variables
Air
Atmosphere
Weather
Measuring Weather
100
How hot or cold the air is...
What is temperature?
100
Air is a mixture of...
What is gases?
100
We live in this layer.
What is the troposphere?
100
The condition of the atmosphere at a given time and place is...
What is weather?
100
It is used to measure air pressure, and describes air pressure with these units.
Barometer, mBar
200
The amount of water vapor in the air
What is humidity?
200
This is the most abundant gas in the atmosphere.
What is nitrogen?
200
The ozone layer can be found here.
What is the stratosphere?
200
How do we measure humidity, and what units do we use?
Hygrometer, %
300
How fast air is moving from place to place.
What is wind speed?
300
Oxygen makes up _____% of the atmosphere.
What is 21%
300
As we move up through the atmosphere, air pressure __________.
Decreases
300
A prediction of future weather conditions.
What is a weather forecast?
300
We use a ___________ to measure wind speed, and use these units.
Anemometer (wind meter), km/h (m/s)
400
How clear the air is.
What is visibility?
400
Carbon Dioxide makes up ____% of the atmosphere, and Methane makes up _____%, but they're both very important gases.
What is 0.04% and 0.0002%
400
The air is thick enough in this layer to burn up meteors.
What is mesosphere?
400
The scientific study of weather.
What is meteorology?
400
A SE wind would be blowing towards the ________. A ___________ would tell us this.
NW, Wind vande
500
The amount of water that has fallen from the sky.
What is precipitation?
500
Air can be _________ (forced into a smaller space). In this state it pushes back against the container, which means the air is under _____________.
compressed, pressure
500
All planets and ________ have atmospheres.
Stars
500
True or False? Only meteorologists can collect weather data and make weather forecasts.
False
500
A _____________ tells us how much precipitation has fallen, and we would measure in ______.
Rain gauge, mm (cm)