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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. Ratio of observed absolute humidity divided by sbsolute humidity at dew point
cyclone
relative humidity
stratosphere
atmosphere
2. 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
dew point
winds
temp in troposphere
winds
3. Mount of water vapor in the air
stratosphere
absolute humidity
atmosphere
weather
4. 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
anticyclone
absolute humidity
humidity
pressure
5. Atmosphere has layered structure. defined by temp - pressure - and chemical composition
layers of atmosphere
atmosphere
winds
anticyclone
6. 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.
relative humidity
troposphere
temp in troposphere
humidity
7. When it is water saturated (the maximum amount of water that the air mass can hold at a given temperature
dew point
clouds
troposphere
atmosphere
8. 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
winds
lower pressure
atmosphere
cyclone
9. Differences in air pressures between high and low pressure systems. The larger the differences in air pressures - the stronger they are
winds
absolute humidity
cyclone
weather
10. Envelope of gases surrounding earth - extending from the surface to about 10 -000 km above
absolute humidity
atmosphere
temp in troposphere
adiabatic cooling
11. 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
cyclone
anticyclone
winds
pressure
12. Amount of water vapor an aim mass holds. air can dissolve water
stratosphere
clouds
humidity
adiabatic cooling
13. Envelope of gases surrounding earth - extending from the surface to about 10 -000 km above
lower pressure
troposphere
atmosphere
lower pressure
14. Average atmospheric pressure at sea level equals 14.7 lbs. due to weight of overlying air column
clouds
adiabatic cooling
winds
pressure
15. 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.
lower pressure
adiabatic cooling
clouds
humidity
16. 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.
stratosphere
atmosphere
winds
troposphere
17. Amount of water vapor an aim mass holds. air can dissolve water
pressure
atmosphere
temp in troposphere
humidity
18. 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
adiabatic cooling
temp in troposphere
atmosphere
cyclone
19. Contains ozone layer - temperature increases upward due to oxygen - which absorbs UV radiation
humidity
stratosphere
weather
relative humidity
20. Mount of water vapor in the air
absolute humidity
troposphere
lower pressure
clouds
21. 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.
atmosphere
adiabatic cooling
cyclone
humidity
22. Average atmospheric pressure at sea level equals 14.7 lbs. due to weight of overlying air column
weather
dew point
pressure
cyclone
23. Depends on temp; cold air can dissolve little water whereas warm air can dissolve a lot.
adiabatic cooling
humidity
stratosphere
dew point
24. 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
relative humidity
cyclone
absolute humidity
clouds
25. Atmosphere has layered structure. defined by temp - pressure - and chemical composition
cyclone
temp in troposphere
layers of atmosphere
lower pressure
26. Contains ozone layer - temperature increases upward due to oxygen - which absorbs UV radiation
stratosphere
layers of atmosphere
pressure
relative humidity
27. Ratio of observed absolute humidity divided by sbsolute humidity at dew point
humidity
pressure
relative humidity
adiabatic cooling
28. Differences in air pressures between high and low pressure systems. The larger the differences in air pressures - the stronger they are
clouds
weather
clouds
winds
29. When it is water saturated (the maximum amount of water that the air mass can hold at a given temperature
dew point
humidity
troposphere
cyclone
30. Daily fluctuations in temperature - wind speed - and precipitation
pressure
layers of atmosphere
humidity
weather
31. Depends on temp; cold air can dissolve little water whereas warm air can dissolve a lot.
humidity
pressure
troposphere
layers of atmosphere
32. Daily fluctuations in temperature - wind speed - and precipitation
clouds
weather
adiabatic cooling
layers of atmosphere
33. 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
layers of atmosphere
pressure
lower pressure
cyclone
34. 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
cyclone
clouds
relative humidity
pressure
35. 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
troposphere
cyclone
lower pressure
humidity
36. 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
relative humidity
temp in troposphere
clouds
layers of atmosphere