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