Twisters and Other Terrible Storms Ch. 2-3

Wind is caused by which of the following?

• the sun

• uneven heating of the atmosphere

• a rise in the sun

• clouds moving in the sky

When warm air rises and air from another spot moves in to take its place, we call this moving air __________.

• weather

• water

• wind

• warm

When high-pressure areas and low-pressure areas meet we call this a ___________.

• low-pressure area

• front

• high-pressure area

• frightening storm

Why is the weather always warmer near the equator than it is at the North or South Pole?

• The Moon is tilted

• The Moon rotates

• The Earth rotates

• The Earth is tilted

What makes a cloud?

• water and ice

• cold rain

• cold air

• cold ice

When clouds cover the whole sky we say it is ___________.

• foggy

• overcast

• stormy

• water vapor

What is an updraft?

• clouds moving up

• clouds moving down

• a column of rising air

• rising water vapor

Which of the following is always in the air, even when you can't see it?

• wind

• water

• ice

• water vapor