The atmosphere
Name two gases that make up the earth's atmosphere?
Oxygen, nitrogen, carbon dioxide and argon
Winds blow from areas of _____ _____ to ______ ______
high pressure and low pressure
Give me an example of a warm current.
The Gulf Stream or the North Atlantic Drift
Name two types of air masses.
Polar maritime, Arctic, Polar continental, Tropical continental and Tropical maritime
Name the three types of clouds
Stratus, Cumulus and cirrus
Which layer is the ozone layer located in?
Stratosphere layer
What type of winds do we experience in the west of Ireland?
Prevailing westerlies
Give me an example of a cold current.
Labrador current
A front is where two different air masses meet.
There are warm fronts, cold fronts and occluded fronts
Which clouds bring the most precipitation?
Cumulus clouds
Explain how the Earth's axis influences the seasons and the length of day and night.
During our summer, northern hemisphere is tilted towards the sun making the days longer.
During our autumn, northern hemisphere begins to tilt away from the sun making the days shorter.
Name the four types of global winds.
Doldrums, prevailing westerlies, horse latitudes and polar easterlies
What current passes the west coast of Ireland keeping our ports ice free?
North Atlantic Drift
How is atmospheric pressure measured?
millibars
Which type of clouds form above 8,000 m?
Cirrus clouds
17-50km
What type of weather do the doldrum winds bring?
Calm weather
Name one way currents occur.
Difference in temperature
The earth's rotation on its axis
Wind
Explain what an occluded front is, what type of weather it causes and how to identify it on a map.
An occluded front occurs where a cold front takes over a warm front or the other way around. It brings changeable or stormy weather.
Occluded fronts are represented by purple semicircles and triangles on a map
Which type of clouds bring very little to no rain?
Cirrus clouds
Explain what the greenhouse effect is and two ways it can occur.
The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat.
Burning fossil fuels
Deforestation
I am found at 30 degrees north and south of the equator. I blow between the trade winds and prevailing westerlies and I tend to be weaker and provide clear, bright weather. What wind am I?
Horse latitudes
Where does the labrador current flow?
It flows south along the coast of North-East America.
There are low pressure systems and high pressure systems but what are the other names for them?
Low pressure (depressions)
High pressure (anticyclones)
Describe cumulus clouds.
They look like cotton wool, occur below 5,000 m and they bring heavy bursts of rain