Unit 2 - 3 Open Court

A funnel cloud becomes a tornado when

• warm humid air rises.

• the updraft and downdraft come together.

• it touches the ground.

• cool air falls back toward Earth.

When do most tornadoes happen in Florida?

• spring

• summer

• fall

• winter

Which of these statements about tornadoes is true?

• The United States has fewer tornadoes than any other country.

• The safest place to be in a tornado is inside a moving car.

• All tornadoes start in the Midwest and move toward Florida.

• There is no way yet of measuring wind speed in a tornado

Condensation means that the moisture in the air

• causes heat to rise and make a thunderhead.

• changes a downdraft to an updraft.

• turns to liquid rain.

• forms a funnel cloud.

What classification would a tornado that has wind speeds of 122 mph be?

• EF - 0

• EF - 2

• EF - 5

• EF - 3

EF - 5 tornadoes can lift a (a)   off the tracks.

What does the National Weather Service do if they see the possibility of a tornado forming?

What should you do if you are in a car during a tornado?

You should cover yourself with a (a)   to keep objects from falling on you or hitting you.

Tornadoes begin inside storm clouds. These clouds are called (a)   clouds.