TEST 1 |
17 |
Section 4
Complete the notes below.
Questions 31 to 40
Write ONE WORD OR ONE NUMBER ONLY for each answer.
Tropical storms
Different names
Some names are used in place of each other, which can create 31
Tornado formation |
|
Tornadoes form within thick 32 |
when warm air meets cold air. |
Tornadoes become less frequent towards the 33 |
coast of America. |
Cyclone formation |
|
Cyclones form over oceans warmer than 34 |
degrees centigrade. |
Cyclones rotate in the same direction as the 35 |
|
Hurricanes and typhoons |
|
A hurricane in America is called a typhoon in 36 |
|
Questions 37 to 40
Write NO MORE THAN THREE WORDS OR A NUMBER for each answer.
Naming hurricanes
A hurricane is a tropical storm with a wind speed above 37 |
km/h |
Before 1940, hurricanes were referred to by their 38 |
|
After 1979, 39 |
names were chosen in turn. |
Names can be reused after 40 |
years. |