Total possible points: 18 test for module #8 Date



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Total possible points: 18 TEST FOR MODULE #8 Date___________________________

1. Write out the definitions for the following terms: (2 pts)

a) Updraft a current of rising air

b) Insulator a substance that does not conduct electricity very well

2 The same cloud precipitates snow on a mountain and rain in the nearby valley. Does the Bergeron process or the collision-coalescence theory best describe the process causing precipitation from that cloud? (1pt) The Bergeron Process is at work here.

3. What is the dew point? What two factors influence it? (3pts)

Dew point – the temperature at which water vapor condenses out of the air onto the ground-level surfaces. It is influenced by humidity and pressure.

4. A thunderstorm cell is raining, and there is no updraft. In what stage is the thunderstorm cell? (1 pt)

Dissipation stage

5. Will there be hail at this point in the thunderstorm? (1 pt)no

6. If the mature stage of a thunderstorm lasts for 30 minutes maximum, why can thunderstorms rain heavy sheets of rain for several hours? (1pt) These thunderstorms are made up of several cells, each of which produces heavy rains for about 30 minutes or less.

7. Why don’t you see lightning from nimbostratus clouds? (1 pt)The charge imbalance that causes lightning starts in a cloud and cannot form unless the cloud is tall.

8. What happens first in a lightning bolt: a return stroke or a stepped leader? (1 pts)

A stepped leader

9. How does lightning cause thunder? (1 pt) lightning causes thunder by heating up the air through which it passes.

10. Is it possible for sheet lightning to strike a person? (1pt)sheet lightning cannot strike a person because it is cloud-to-cloud lightning.

11. A tornado is in its organization stage. Has it touched the ground yet? (1 pt)

Yes


12. What differentiates a tropical storm from a tropical disturbance? (2 pts)

Wind speed

13. Where is the safest place in a hurricane? (1 pt)

The eye


14. Is the atmospheric pressure in Houston, TX higher, lower or equivalent to that in Atlanta, GA? (1 pt)

equivalent

15. Is the atmospheric pressure in Chicago, IL higher, lower or equivalent to that in New York, NY? (1 pt)higher

16. What city listed on the map might have been experiencing thundershowers at the time this map was drawn? (1 pt)

New York

17. What city listed on the map should expect warmer weather? (1 pt)



Houston

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