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Sci-severe weather
mrs. hacker's science severe weather 7A
Question | Answer |
---|---|
What is weather that can cause property damage and even death? | severe weather |
Which atmospheric condition produces thunderstorms? | warm, moist air near Earth's surface and an unstable atmosphere |
Which type of cloud is most likely to produce a thunderstorm? | cumulonimbus cloud |
What is a usually brief and heavy storm with rain, strong winds, lightning, and thiunder is called? | thunderstorm |
What is an electric discharge between two oppositely charged surfaces called? | lightning |
Where are three places where lightning can happen? | Between a cloud and the ground, between two clouds, and between two parts of the same cloud |
What is the sound caused by air rapidly expanding along a lightning strike called? | thunder |
What are four dangerous condiditons that a severe thunderstorm can produce? | they can produce high winds, hail, flash floods, and tornadoes |
What is a destructive, rotating air column with very high wind speeds that touches the ground? | tornado |
In ehat percent of thunderstorms do tornadoes occur? | 1% |
What is the relationship between a funnel cloud and a tornado? | When a funnel cloud touches the ground it becomes a tornado |
What causes a column of air spinning like a roll of toilet paper to turn to a vertical position/ | It is caused by strong updrafts of air in the cumulonimbus cloud |
What happens when a spinning column of air moves to the bottom of the cumulonimbus clous? | When this occurs a funnel cloud is formed |
Why do most tornadoes in the US occur in the spring and early summer? | It happens in spring and early summer because the cold, dry air from Canada meets the warm, moist air from the Trpoics. |
Why are tornadoes able to cause so much damage? | They can cause so much damage because of high winds, they can uproot trees and destroy buildings |
In order to be called a hurricane, a storm must________. | have wind speed of at least 120 km/h |
What is a cyclone? | a hurricane over the ocean |
Hurricanes do not form in higher latitudes because___________. | the water is too cold |
What causes a group of thunderstorms to become a hurricane? | The wind travels in two directions, they meet and cause the storms to spin |