In what ways are a tornado and a hurricane alike?

Both contain winds that spiral very rapidly

Under what conditions will the vortex of a tornado form?

When air masses of very different temp and humidity meet.

Weather reporters issue a storm warning when

A storm has actually been spotted or detected on radar

Which statement describes the main cause of tornadoes?

when 2 air masses of very different temp and humidity meet.

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Thunderstorms, Tornadoes & Hurricanes

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6th Grade Earth Science

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Questions 15

Answers

1
What are big, rotating wind and rainstorms that form in the Western Pacific Ocean?
Cyclones
Typhoons
Thunderstorms
Hurricanes
2
In what ways are a tornado and a hurricane alike?
Both are usually around 650 km across
Both contain winds that spiral very rapidly
The path of destruction for both is equal in diameter
Both form over warm tropical waters
3
These only form when warm, moist air rises over tropical waters.
Thunderstorms
Tornadoes
Typhoons
Hurricanes
4
What country has more tornadoes than any other country in the world?
USA
Canada
Kansas
Mexico
5
What is the name of the scale scientists use for measuring tornadoes on the basis of damage?
Fujita Scale
Wind Scale
Saffir - Simpson Scale
Tornado Scale
6
What is the normal size (diameter) of most hurricanes?
118 km/hr
350 km/hr
550 km/hr
250 km/hr
7
A tornado watch means
Take shelter immediately
Tornadoes are possible
People have actually spotted a tornado
The radar has seen a tornado
8
Under what conditions will the vortex of a tornado form?
When green house gasses trap the earth's heat.
When air masses of very different temp and humidity meet.
When water spirals in a whirlpool.
When deep ocean currents result from changes in temperature.
9
When do ¾ of all tornadoes in the United States develop?
March to July
August to November
October to February
January to April
10
A thunderstorm is a disturbance in the atmosphere that may have
All of the above
Heavy rain and winds
Hail
Thunder and Lightning
11
Weather reporters issue a storm warning when
There a high winds in the area.
A storm has actually been spotted or detected on radar
They are predicting a storm in the future
There is the possibility of a severe weather system forming
12
These can all be forecasted, detected, and tracked by the National Weather Service.
Hailstorms, Tornadoes, Lightning
Lightning, Typhoons, Thunderstorms
Cyclones, Hailstorms, Lightning
Thunderstorms, Tornadoes, Hurricanes
13
How fast do the winds of a tornado rotate?
250 km/hr
350 km/hr
118 km/hr
74 km/hr
14
Which statement describes the main cause of tornadoes?
when 2 air masses of very different temp and humidity meet.
none of the above
tropical sea air sweeps in to replace rising air
air in low-pressure system rises above warm water
15
What is the name of the scale scientists use to measure Hurricane damage?
Fujita Scale
Seismic Scale
Hurricane Scale
Saffir - Simpson Scale

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