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Test your basic knowledge |
Weather Fundamentals
Start Test
Study First
Subject
:
science
Instructions:
Answer 36 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Differences in air pressures between high and low pressure systems. The larger the differences in air pressures - the stronger they are
absolute humidity
winds
relative humidity
anticyclone
2. Rising air exerts less downward pressure than falling air. air near the ground surface is pulled in toward the low pressure center to replace the rising air
temp in troposphere
stratosphere
lower pressure
absolute humidity
3. Amount of water vapor an aim mass holds. air can dissolve water
humidity
adiabatic cooling
pressure
troposphere
4. Occurs when rising air expands without change in heat content. Whenever an air mass expands - the available heat is distributed over a larger volume so the air becomes cooler.
stratosphere
weather
adiabatic cooling
humidity
5. Average atmospheric pressure at sea level equals 14.7 lbs. due to weight of overlying air column
humidity
layers of atmosphere
pressure
weather
6. When it is water saturated (the maximum amount of water that the air mass can hold at a given temperature
anticyclone
dew point
absolute humidity
humidity
7. Decreases upward to altitude of 10-15 km due to increase distance above main mass of earth - which absorbs sunlight and reradiates it as heat
humidity
absolute humidity
temp in troposphere
cyclone
8. Average atmospheric pressure at sea level equals 14.7 lbs. due to weight of overlying air column
pressure
clouds
troposphere
dew point
9. Lowest layer. Where all weather phenomena occur. Extends to altitude of 10 to 15 km - contains about 90@ of mass of atmosphere - including about all water vapor.
atmosphere
temp in troposphere
adiabatic cooling
troposphere
10. Atmosphere has layered structure. defined by temp - pressure - and chemical composition
winds
stratosphere
adiabatic cooling
layers of atmosphere
11. Ratio of observed absolute humidity divided by sbsolute humidity at dew point
troposphere
atmosphere
clouds
relative humidity
12. Daily fluctuations in temperature - wind speed - and precipitation
weather
dew point
stratosphere
troposphere
13. High pressure system. when cool air in the upper atmosphere has higher density than its surrounding - creating high pressure system. It moves twd the ground - so air moves way from the high pressure system near earth's surface
weather
relative humidity
anticyclone
humidity
14. Envelope of gases surrounding earth - extending from the surface to about 10 -000 km above
humidity
humidity
troposphere
atmosphere
15. Lowest layer. Where all weather phenomena occur. Extends to altitude of 10 to 15 km - contains about 90@ of mass of atmosphere - including about all water vapor.
pressure
cyclone
troposphere
absolute humidity
16. When it is water saturated (the maximum amount of water that the air mass can hold at a given temperature
cyclone
dew point
layers of atmosphere
weather
17. Amount of water vapor an aim mass holds. air can dissolve water
lower pressure
humidity
relative humidity
anticyclone
18. Decreases upward to altitude of 10-15 km due to increase distance above main mass of earth - which absorbs sunlight and reradiates it as heat
stratosphere
temp in troposphere
winds
dew point
19. Ratio of observed absolute humidity divided by sbsolute humidity at dew point
pressure
adiabatic cooling
layers of atmosphere
relative humidity
20. Contains ozone layer - temperature increases upward due to oxygen - which absorbs UV radiation
adiabatic cooling
stratosphere
layers of atmosphere
cyclone
21. Low pressure system. When an air mass near the ground is heated - the air molecules vibrate faster - cause the air mass to expand and its density to decrease. With a lower density than the surrounding air - the mass rises to create a low pressure reg
cyclone
absolute humidity
pressure
anticyclone
22. Mount of water vapor in the air
humidity
winds
stratosphere
absolute humidity
23. Rising air exerts less downward pressure than falling air. air near the ground surface is pulled in toward the low pressure center to replace the rising air
humidity
lower pressure
weather
anticyclone
24. Atmosphere has layered structure. defined by temp - pressure - and chemical composition
winds
dew point
layers of atmosphere
anticyclone
25. Differences in air pressures between high and low pressure systems. The larger the differences in air pressures - the stronger they are
winds
relative humidity
layers of atmosphere
pressure
26. Low pressure system. When an air mass near the ground is heated - the air molecules vibrate faster - cause the air mass to expand and its density to decrease. With a lower density than the surrounding air - the mass rises to create a low pressure reg
dew point
cyclone
dew point
relative humidity
27. Depends on temp; cold air can dissolve little water whereas warm air can dissolve a lot.
dew point
atmosphere
humidity
winds
28. Depends on temp; cold air can dissolve little water whereas warm air can dissolve a lot.
troposphere
humidity
stratosphere
anticyclone
29. If air cools to the temp at which its relative humidity is 100% - the water saturated air is still invisible. If it cools further - it will have more ater vapor than it can hold and some of the water will condense into tiny water droplets - to form c
lower pressure
dew point
layers of atmosphere
clouds
30. High pressure system. when cool air in the upper atmosphere has higher density than its surrounding - creating high pressure system. It moves twd the ground - so air moves way from the high pressure system near earth's surface
lower pressure
layers of atmosphere
stratosphere
anticyclone
31. If air cools to the temp at which its relative humidity is 100% - the water saturated air is still invisible. If it cools further - it will have more ater vapor than it can hold and some of the water will condense into tiny water droplets - to form c
clouds
pressure
adiabatic cooling
weather
32. Daily fluctuations in temperature - wind speed - and precipitation
weather
troposphere
humidity
temp in troposphere
33. Mount of water vapor in the air
troposphere
stratosphere
absolute humidity
weather
34. Envelope of gases surrounding earth - extending from the surface to about 10 -000 km above
humidity
clouds
atmosphere
relative humidity
35. Contains ozone layer - temperature increases upward due to oxygen - which absorbs UV radiation
stratosphere
relative humidity
humidity
dew point
36. Occurs when rising air expands without change in heat content. Whenever an air mass expands - the available heat is distributed over a larger volume so the air becomes cooler.
humidity
adiabatic cooling
humidity
stratosphere