Why are skies clear in the eye of a hurricane?
a. Warm air is rising.
b. Warm, dry air is descending.
c. Cold air is rising.
d. Cold, dry air is descending.
e. Any moisture is flung to the edge of the eye wall by centrifugal forces.
Question 2Ninety-five percent of ____ output from the Gulf of Mexico, the largest domestic source, was disrupted by Hurricane Katrina.
a. fisheries
b. hydroelectric power
c. nuclear power
d. coal
e. petroleum
Question 3Where are the highest winds in a hurricane?
a. within the eye
b. along the edge of the eye wall
c. half-way between the eye and the outer edge
d. at the outer edge
e. winds speeds are about equal everywhere within a hurricane
Question 4What is the average forward speed of a hurricane (how fast does it approach the coast)?
a. about 5 km/hour
b. about 25 km/hour
c. about 100 km/hour
d. about 200 km/hour
e. about 500 km/hour
Question 5Why are hurricanes becoming more frequent?
a. Climate change is causing more rainfall in equatorial areas.
b. Climate change is causing more low pressure cells that cause hurricanes.
c. Climate change is causing ocean temperature to increase.
d. Climate change is causing increasing wind speed in the Pacific.
e. Actually, they are not; we are just better at detecting and reporting them.
Question 6Why are houses in hurricane-susceptible areas generally on tall posts?
a. to keep them above the high tide level
b. to keep them above the expected storm-surge level
c. to allow blowing sand to go under them
d. to keep them above the strongest winds
e. to provide less wind resistance
Question 7Why is storm damage of a westward-moving hurricane generally less on the south side of the eye?
a. It isnt. The storm surge is highest right under the eye where the atmospheric pressure is lowest.
b. It isnt. The hurricane winds are highest both just north and just south of the eye.
c. The winds are moving offshore there, so there is no onshore surge or wave effects.
d. The winds are moving offshore there, so the debris travels over open water rather than colliding with buildings.
e. Winds in the left-front quadrant point most directly at the shore, causing the greatest surge and wind effects.
Question 8What shape of roof is most resistant to hurricane winds?
a. one shaped like an airplane wing
b. a gently sloping roof with one slope facing toward the wind
c. one with a large span
d. a roof that slopes to all sides with overhangs
e. a roof that slopes to all sides without overhangs
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