Meteorology A ( fall 2015) Flashcards
(35 cards)
What percentage of gas in the air is Nitrogen?
78%
What percentage of gas in the air is Oxygen?
21%
What percentage of gas in the air is Argon?
0.93%
What percent of gas in the air is Carbon Dioxide?
0.03%
Heat transrer between two substances that are in contact is called
conduction
As you rise upwards in the atmosphere, air pressure
decreases
Isobars are lines on a map joining places that have the same
air pressure
The ozone layer protects living things on earth from
ultraviolet radiation
The layers of the atmosphere are classified according to changes in
temperature
Most air pollution comes from
burning fossil fuels
The layer of our atmosphere in which weather occurs is the ____
troposphere
What is the greenhouse effect?
a gradual increase in the temperature of the atmosphere
What keeps us from being crushed by the weight of the air ?
We are pressurized inside to match the outside air pressure
What is the lowest, shallowest layer of the atmosphere?
troposphere
What are scientists that study weather called?
Meteorologists
Instruments used to measure air pressure are called…
barometers
What are the two main parts of a psychrometer called?
a wet-bulb thermometer and a dry-bulb thermometer
What are the main layers in our atmosphere, from Earth to space
Troposphere
stratosphere
mesosphere
thermosphere
True or false: The higher you go the higher the air pressure?
False
How does the heat from the sun reach you?
radiation
Convection takes place because…
cold air is more dense than warm air.
Most of Earth’s incoming ultraviolet radiation is absorbed by?
the ozone
Places shown on a weather map that have the same temperature are connected by…
isotherms
What is the relative humidity when air reaches the dew point?
100%