WEAX201, Mod 2, Ch 4

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Suppose yesterday morning you noticed ice crystals (frost) on the grass, yet the minimum temperature reported in the newspaper was only 35° F. The most likely reason for this apparent discrepancy is that:

temperature readings are taken in instrument shelters more than 5 feet above the ground

Two objects have the same temperature. Object A feels colder to the touch than object B. This is probably because the two objects have different:

thermal conductivities

Indian summer would most likely occur during the month of:

October

The earth is tilted at an angle of 23.5° with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40°, we would expect in middle latitudes:

*Not- cooler summers and milder winters than at present

Over the earth as a whole, one would expect to observe the smallest variation in temperature from day to day and from month to month:

on a small island near the equator

A thermometer that measures temperature and records it on a piece of chart paper:

thermograph

At the top of the earth's atmosphere during the early summer, at what latitude would you expect to receive the most solar radiation during a 24 hour period?

*Not- 23.5° N

Ideal conditions for a strong radiation inversion:

clear, calm, dry, winter night

This instrument obtains air temperature by measuring emitted infrared energy:

radiometer

he most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that:

*Not- the sun's energy is less intense in the Southern Hemisphere

During the afternoon the greatest temperature difference between the surface air and the air several meters above occurs on a:

clear, calm afternoon

In the middle latitudes of the Northern Hemisphere on June 22, the sun:

rises in the northeast and sets in the northwest

Which of the following best describes the weather conditions necessary to bring Indian summer weather to the eastern half of the United States?

a strong-slow moving high pressure area off the southeast coast

The lowest temperature is usually observed:

around sunrise

When it is January and winter in the Northern Hemisphere, it is __ and __ in the Southern Hemisphere.

January and summer

Which of the following is not a reason why water warms and cools much more slowly than land?

*Not- heat energy is mixed in a deeper layer of water

Where are the days and nights of equal length all year long?

at the Equator

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