Weather Quiz - Weather Instruments And Fronts
This quiz will assess your knowledge of weather instruments and weather fronts. Please don't forget to supply your name and school initials
- 1.If you had a sealed glass tube with a vacuum inside stuck into an open topped bowl of mercury, you would have a device for measuring.....
- A.
Rainfall
- B.
Atmospheric pressure
- C.
Wind speed
- D.
Temperature
- 2.Meteorologists have been using radiosondes (weather balloons) for 100 years to gather daily weather measurements. Why do they still use them in the age of satellites?
- A.
Satellites can't measure at night
- B.
Satellites can't measure pressure, humidity, and other factors through different areas of the atmosphere.
- C.
Satellites measure everything, they could stop the radiosondes
- 3.
When the atmospheric pressure goes down, the mercury inside the tube of the device shown below will ________ too. - 4.A Sling Psychrometer helps measure relative humidity by taking advantage of the fact that
- A.
Rapidly moving air speeds evaporation
- B.
A wet thermometer will show the percent moisture present in the air.
- C.
Moister air will have less evaporation than drier air.
- D.
Both (a) and (c)
- 5.Doppler radar works because radio waves bouncing off a moving object will bounce in strange directions.
- A.
True
- B.
False
- 6.Doppler radar works because successive radio waves bouncing off a moving object are compressed or stretched
- A.
True
- B.
False
- 7.Some types of thermometers actually use the principle that two different metals expand and contract at different rates when they are heated and cooled.
- A.
True
- B.
False
- 8.The Celsius and Fahrenheit scales on thermometers have the same size steps just start at different points.
- A.
True
- B.
False
- 9.The Celsius and Kelvin scales on thermometers have the same size steps just start at different points.
- A.
True
- B.
False
- 10.A Wind sock can be used to measure wind speed by....
- A.
The degree to which the sock flies straight
- B.
The number of flaps per minute
- C.
The direction in which the sock points
- D.
Dividing its circumference by the number of times it rotates every hour
- 11.The weather following behind a cold front will be cooler, with clear skies, and precipitation will be unlikely.
- A.
True
- B.
False
- 12.A warm front will bring sudden, intense rain in the form of thunderstorms.
- A.
True
- B.
False
- 13.The clouds most likely to be found around a cold front are...
- A.
Stratus
- B.
Cumulonimbus
- C.
Cirrus
- D.
Altocumulus
- 14.During a cold front, heavy precipitation occurs because....
- A.
Cold air is trapped above warm air
- B.
Warm air and cold air don't mix
- C.
Warm air rises slowly and gradually as cold air moves in slowly
- D.
Rapidly moving cold air forces warm moist air upwards quickly
- 15.An Occluded front occurs when...
- A.
A warm front overtakes a cold front
- B.
A cold front overtakes a warm front
- C.
Two warm air masses trap a cold air mass between them
- D.
The adiabatic cooling rate is greater than 6.5deg C/km.
- 16.A Stationary front occurs then a cold and warm front meet but neither is strong enough to push the other out of the way.
- A.
True
- B.
False
.jpg "When the atmospheric pressure goes down, the mercury inside the tube of the device shown below will ________ too.")
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