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ESS7U1: Global Atmospheric Circulation

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.

What is wind?

a)

Large scale movement of air caused by differences in air pressure

b)

Large scale movement of CO2 caused by differences in air pressure

c)

Large scale movement of air caused by differences in temperature

d)

Large scale movement of temperature caused by differences in air pressure

2.

Differences in air pressure are caused by...?

a)

Differences in the earths rotation

b)

Differences in temperature

c)

Differences in rainfall

d)

Differences in sea level

3.

Winds move from...

a)

high pressure to low pressure

b)

low pressure to high pressure

4.

Warm air...

a)

sinks

b)

rises

5.

Cold air ...

a)

sinks

b)

rises

6.

Where experiences warm temperatures with clouds and rain?

a)

The equator

b)

The sub-tropical highs

c)

The sub-polar lows

d)

The polar highs

7.

What weather is caused by low pressure?

a)

Clouds and rain

b)

Clear skies

8.

True or false - warm air rises, cools and condenses and forms clouds, this is called low pressure

a)

True

b)

False

9.

Cool air sinks at the sub-tropical highs, what does this lead to? SELECT TWO

a)

Deserts

b)

Cloudless skies and low rainfall

c)

Tropical rainforests

d)

Clouds and rainfall

10.

What are trade winds?

a)

Surface winds blowing towards the equator

b)

Atmospheric winds

c)

Winds blowing away from the equator

d)

Low pressure winds

11.

Surface winds blowing towards the poles are called ...

a)

westerlies

b)

easterlies

c)

southerlies

d)

northerlies

12.

Why has the UK got cloudy and wet weather?

a)

It is located at the sub-polar low

b)

It has a lot of mountains

c)

It is located in an area of high pressure

d)

It is located in the middle of an air mass

13.

Why is it hot and dry at sub-tropical highs?

a)

Cold air sinking, no clouds can form

b)

Warm air sinking, no clouds can form

c)

Cold air rising

d)

Warm air rising

14.
Why are there global winds?
a)
because the cold air sinkes from the poles to the equator
b)
because the earth is rotating from east to west
c)
because the sun heats the air at the equator more than anywhere else on earth
15.
If the Earth did not rotate, air at the Equator would simply
a)
Sink and move toward the poles.
b)
Rise and move toward the poles.
c)
Stay stationary.
d)
None of the above.
16.
How does the Coriolis Effect influence hurricanes and cyclones
a)
determines how powerful they will be
b)
determines where they will go
c)
determines where they form
d)
determines the direction of the wind rotation
17.

Objects in the NORTHERN Hemisphere deflect to which direction due to the Coriolis Effect?

a)

Left

b)

Up

c)

Down

d)

Right

18.

Objects in the SOUTHERN Hemisphere deflect to which direction due to the Coriolis Effect?

a)

Left

b)

Up

c)

Down

d)

Right

19.
The Coriolis Effect is caused by
a)
Earth rotating around the sun
b)
Earth rotating on its axis
c)
The tides
d)
Gravity
20.
The equator is dominated by
a)
high pressure
b)
cold air
c)
low pressure