Layers Of The Atmosphere Flashcards
The closer to earth you are the _____ the air pressure
More
The atmosphere is ________
Heavy
The further away from earth you are the _____ air pressure
Less
What is an example I air pressure?
A dog pile
A stack of books
What is a major factor in our weather?
Heat
Where does heat come from?
Our sun
How is air temperature usually measured?
Using a thermometer
How does a thermometer work?
Hint: liquids
The liquid expands when they are heated and contract (shrink) when they are cooled
How is the earth heated?
By the suns ray
The air above the Earth is warmed by Earth’s _______
Surface
When warm air rises it creates ______ pressure
Low
When cooler air sinks it creates _____ pressure
High
How are winds caused?
By differences in air pressure
A _____is the _________ movement of air from an area of high pressure to an area of low pressure
Wind
Horizontal
Global Winds
Blow from a specific direction over long distances
Warm air ______ at the equator
Rises
Cold air ______ at the poles
Sinks
Air blows form the _________ towards the _____and from the _______ to the ___________
This is also called?
Equator
Poles
Convection current
Poles
EquatorThe Coriolis effect
Because of Earth’s rotation, global winds do not blow straight up and down from the equator to the poles and back
Which way are the Northern Hemisphere winds curved to
Towards the right
Which way are the Southern Hemisphere winds curved to?
Towards the left
The Coriolis effect and other factors combine to produce areas of _____ winds
Calm
Doldrums
Near the equator where winds do not blow
Where do sailers abode so they do not become stranded?
The doldrums
The Coriolis effect is also called ______
Jet stream
Where is Jet Stream located?
About 10 kilometers above Earth’s surface
Jet Streams are bands if _____ speed winds
High
Jet Streams blow from _____ the _____
West to east
Which direction do Jet Streams travel around the Earth?
North and South in a wavy pattern
The Coriolis effect also causes the ________ and the _________
Prevailing Westerlies
Polar Easterlies
Which two winds meet at the Polar front?
Prevailing Westerlies
Polar Eaterlies
