Weather and Climate

Geography · 10 questions

The enormous machine behind whatever is outside your window.

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1. What is the basic difference between weather and climate?

   1. One is measured, the other predicted
   2. One is short term, the other a long term average
   3. One is local, the other only global
   4. There is no real difference
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   B) One is short term, the other a long term average

2. What is the jet stream?

   1. A powerful current in the deep ocean
   2. A rising column of volcanic gas
   3. A narrow band of fast air high in the atmosphere
   4. A steady wind blowing off the poles
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   C) A narrow band of fast air high in the atmosphere

3. What is El Niño fundamentally about?

   1. Rapid melting of glaciers
   2. An increase in sunspots
   3. A series of volcanic eruptions
   4. Shifting sea temperatures in the Pacific
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   D) Shifting sea temperatures in the Pacific

4. What is the essential condition for a cloud to form?

   1. Moist air cooling until it condenses
   2. Wind picking up speed
   3. Pressure rising suddenly
   4. The ground heating up
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   A) Moist air cooling until it condenses

5. Why do forecasts get much harder beyond a few days?

   1. Tiny measurement differences grow quickly
   2. There are not enough satellites
   3. Measurements cannot be taken
   4. The models are too simple
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   A) Tiny measurement differences grow quickly

6. What weather do low pressure centres usually bring?

   1. Clear and dry air
   2. Cloud and rain
   3. Warm still conditions
   4. Cold clear skies
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   B) Cloud and rain

7. What would Earth be like with no greenhouse effect at all?

   1. Far hotter than it is now
   2. Essentially unchanged
   3. Without any atmosphere
   4. Far colder than it is now
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   D) Far colder than it is now

8. Carbon dioxide is not the only greenhouse gas in the atmosphere.

   1. True
   2. False
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   A) True

9. Lightning requires charge to separate within a cloud.

   1. True
   2. False
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   A) True

10. An unusually cold winter in one region disproves global warming.

    1. True
    2. False
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    B) False