Earth Science: Tornadoes
Test Quiz
1. What type of clouds are needed for a tornado to form?
a. Cirrus
b. Altostratus
c. Stratus
d. Fog
e. Cumulonimbus
2. When does a funnel officially become a tornado?
a. When it reaches speeds of 100 mph
b. When it begins to spin
c. When it touches the ground
d. When it reaches speeds of 150 mph
e. When it first looks like a funnel
3. When viewed from above, what direction do most tornadoes in the northern hemisphere rotate?
a. Counterclockwise
b. Clockwise
c. They don't rotate in the northern hemisphere
d. Tornadoes do not form in the northern hemisphere
e. None of the Above
4. Around how wide is the typical tornado in the United States?
a. 10 feet
b. 50 feet
c. 100 feet
d. 500 feet
e. 1 mile
5. What do we call a tornado that forms over water?
a. Supercell
b. Waterspout
c. Landspout
d. Gustnado
e. Multiple vortex
6. What type of tornado has more than one spinning tube of air?
a. Supercell
b. Waterspout
c. Landspout
d. Gustnado
e. Multiple vortex
7. What type of tornado is produced by a huge thunderstorm?
a. Supercell
b. Waterspout
c. Landspout
d. Gustnado
e. Multiple vortex
8. What is the region in the Midwest called where most of the tornadoes in the United States form?
a. Windy Plains
b. Dust Bowl
c. Tornado Alley
d. Great Tornado Flats
e. Danger Zone
9. What country has the most tornadoes in the world each year?
a. China
b. Australia
c. Mexico
d. United States
e. India
10. What type of alarm means that a tornado is happening right now or is going to happen soon?
a. Tornado Watch
b. Tornado Warning
c. All of the above
d. None of the above
e.
About this quiz: All the questions on this quiz are based on information that can be found on the Earth Science: Tornadoes page at www.ducksters.com/science/earth_science/tornadoes.php.
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