Cause of Wind
Atmosphere
Isobars
Precipitation
Measurements
100
Air currents
What are up and down movements of air?
100
Mesosphere
What is the coldest layer of our atmosphere? Or, what layer of atmosphere is between stratosphere and thermosphere?
100
Dry air weighs more than moist air.
Which type of air weighs more, dry or moist air?
100
The process of water is various forms being pulled by gravity to Earth's surface.
What is precipitation?
100
Weather vane
What is the instrument that measures wind direction?
200
Uneven
Wind is caused by what type of heating of the Earth's surface?
200
Four (4) layers
How many atmospheric layers are there?
200
Millibars
Air pressure is measured in units called?
200
Liters
What is the scientific unit of measure for liquids?
200
Anemometer
What is the instrument that measures wind speed?
300
Global and local winds
What are the two types of winds on our planet Earth?
300
The layers of air that surround our mother Earth.
What is the definition of atmosphere?
300
Isobars
What special line on a weather map joins places that have the same air pressure?
300
Condensation
What is the process called when water vapor converts into a liquid state?
300
Rain gauge
What is the instrument that measures precipitation (rain)?
400
Air becomes lighter
What happens to air when it is heated?
400
Thermosphere and ions.
The layer of atmosphere where ionization takes place?
400
A curved path.
What type of line does an isobar follow?
400
Evaporation
What is the process called when liquid converts into water vapor?
400
Psychrometer
What is the instrument that measures relative humidity?
500
Wind
What is air called when moving parallel to the ground?
500
Ozone
The stratosphere is where this very important molecule exists?
500
Numbers become smaller toward the center.
When isobars show a low-pressure area, the numbers become ___________________ toward the center.
500
Below 32 degrees F
What is the temperature required for snow to form?
500
Meter stick
What is the tool used to measure length in science?