WorksheetsTornadoes
Total questions: 20
Worksheet time: 10mins
What us another term used for tornadoes?
Typhoon
Hurricane
Twister
Cyclone
How is a tornado described in our exam?
Small scale atmospheric disturbance
Large scale atmospheric disturbance
A tornado has formed when it touches what?
The ground
The clouds
Both the ground and clouds
The sea
What type of clouds do tornadoes form from?
Stratus
Cumulus
Cirrus
Cumulonimbus
What type of storm do tornadoes form in?
Thunderstorm
Superstorm
Hailstorm
Supercell storm
Where do 80% of the world's tornadoes occur?
Europe
North America
Asia
Africa
Which of these US states is not in Tornado Alley?
Texas
Utah
Oklahoma
Nebraska
In the USA, in which month do most tornadoes occur?
January
May
August
November
At what time of day are tornadoes most frequent?
3am
10am
4pm
8pm
What type of air masses need to meet for a tornado to form?
Warm and cold air
Warm dry and cold moist air
Cold and cold air
Warm moist and cold dry air
Which of the following forces needs to be acting upon the atmosphere for a tornado to form?
Tension
Shearing
Compression
Contortion
What is a mesocyclone?
A small tornado
A well defined horizontal vortex
A tropical storm
A well defined vertical vortex
What causes a tornado to dissipate?
The front flank updraft
The rear flank downdraft
The front flank downdraft
The rear flank updraft
Tornado winds can reach what speeds?
100mph
200mph
300mph
400mph
How far can tornadoes travel?
Up to 10km
Up to 50km
Up to 100km
Up to 200km
What size diameter can a tornado reach?
500m
1km
2km
3km
Which of these is not a hazard of a tornado
Intense pressure imbalance
Storm surge
Intense precipitation
Hail
On average, how many people are killed by tornadoes each year?
10-20
60-80
100-120
180-200
What is the name of the scale used to measure tornadoes?
Fujita Scale
Enhanced Fujita Scale
Saffir-Simpson Scale
Richter Scale
Which of the following is a method of predicting tornadoes?
Building storm shelters in homes
Having home insurance
Cloud seeding
Monitoring storms with doppler radar
