Catastrophic Events Lessons 4-7 Test Review

Which global winds blow from west to east?

• easterlies

• westerlies

• trade winds

Can snow fall at a warm front?

• yes

• no

In order for precipitation to form at a front, which type of air needs to be humid?

• warm air

• cold air

What is the main source of heat energy on earth?

• the earth's core

• thunderstorms

• the sun

• air

How does air flow?

• from high pressure regions to low pressure regions

• from low pressure regions to high pressure regions

How do clouds form?

• when water vapor in warm air rises

• when warm air with water vapor meets cold air

• neither answer above

• both answers above

The boundary that forms when air masses of different temperature, humidity and air pressure conditions meet is a...

• jet stream

• current

• landfall

• weather front

Which type of front typically moves slowly?

• stationary front

• cold front

• warm front

How does weather move across the United States?

• from east to west

• from north to south

• from west to east

• from south to north

Which clouds are low, grey, layered and cover much of the sky?

• cumulus

• stratus

• cirrus

• cumulonumbus