7.2

• Geography

Drag the statements to the right box

These statements are correct

These statements are incorrect

A tropical storm happening in the USA is called a hurricane

The centre of a hurricane, where there is no wind, is called a trunk

A torndado is unpredicatable and occurs only on land

The damage caused by a tornado can be found only at local scale

Tornadoes are being named for each time they occur

Put the following sentences about hurricanes in the correct order.

1

2

3

4

Because the earth turns, the moist air also starts to rotate.

Hurricanes form around the equator. The sea water must be at least 26 ° C.

Water evaporates. The air is cold. Water vapor condenses, heavy showers occur.

As long as the hurricane is above the sea, it will continue to grow. Once on land, the strength decreases.

Hurricane

Tornado

diameter 100m

diameter 500-1500km

diameter of the eye 50m

diameter of the eye 30-50km

Develop above land

Develop above sea

During july, august, september

During April, May, June

Highest wind speed

Largest area affected

What are the differences between hurricanes and a tornadoes? Give as many as you can

Tasks Answer Q. 7 of unit 7.2

Question 7b: Why do cyclones near Australia develop in the periode from January to March?