Layers of atmosphere
How many layers of atmosphere are there?
5
What unit do we use to measure atmospheric temperature?
Celsius or centigrade
With an increase in elevation, what happens to air pressure?
Decrease
What type of humidity is expressed as a mass per volume?
Absolute humidity
What are clouds made of?
water and/or ice
Which layer of the atmosphere is most dense?
Troposphere
Who invented the maximum minimum thermometer?
Six
On a synoptic map, what name is given to the lines that link areas of equal pressure?
ISOBARS
As air is cooled, what happens to its saturation amount?
It decreases
Inside a cloud, what would be the relative humidity?
100%
In which layer of the atmosphere do meteors usually get burnt up in?
Mesosphere
What is the cause of the increase in temperature with altitude observed in the stratosphere?
Ozone production
In the Southern Hemisphere, in which direction does air move around a low pressure system?
CW
What is the formula to calculate relative humidity?
(absolute humidity / saturation amount) x 100
What is the correct name for a complex of liquid water and aerosol which forms the basis of a raindrop or snowflake?
condensation nucleus
Which gas is the fourth most common gas in the atmosphere?
Carbon dioxide
On a Six's thermometer, what is the name of the two spring loaded devices that record the maximum and minimum temperatures?
Indices
An anemometer with a circumference of 50cm, make 1000 revolutions a minute, what is the wind speed in kmph?
30
What can you say about the relative humidity level if the two thermometers of a psychrometer have the same reading?
it is 100%
What weather can you predict from cirrus clouds?
A warm front coming with 24 hours
What was the name of the scattering effect I showed you in the lab, to demonstrate Rayleigh scattering?
The Tyndall effect
What type of electromagnetism is most abundantly emitted by the Earth?
Infrared
What name is given to the convection cells found between 30° and 60° North and South?
Ferrel cells
What is the dew point of air with a temperature of 20°C and a relative humidity of 100%?
20°C
During a thunderstorm, what name is given to the lightning strike that causes a bright flash and propagates a powerful sound wave?
Return stroke