Met 107 September 23, 1998 NAME:
VERSION: A
Test #1 SS:

1.

Today is

• a) A day with 12 hours of daylight
• b) The fall equinox
• c) The start of fall
• d) All of the above

2.

If the outside temperature is 29$^\circ$ Celsius

• a) You would wear your winter coat
• b) You would wear your heavy sweatshirt
• c) You would not wear a jacket
• d) Water would be nearly boiling on the sidewalk

3.

30 psi (pounds per square inch) is

• a) Less than 10 mb
• b) About 100 mb
• c) About 1000 mb
• d) Greater than 1000 mb

4.

Of those listed which is the least abundant gas in the atmosphere is

• a) Water vapor
• b) Carbon Dioxide
• c) Oxygen
• d) Nitrogen

5.

Carbon Dioxide accounts for

• a) 25% of the atmosphere
• b) 10% of the atmosphere
• c) 5% of the atmosphere
• d) Less than 1% of the atmosphere

6.

Most of the earth's ``weather'' occurs

• a) In the ionosphere
• b) In the mesosphere
• c) In the troposphere
• d) In Missouri

7.

The stratosphere is found

• a) Only above the polar ice caps
• b) Above the thermosphere
• c) Below the troposphere
• d) Above the tropopause

8.

The ionosphere is important for

• a) Cooling of the earth
• b) Warming of the earth
• c) Radio communications
• d) Magnetic field generation

9.

The main difference between X-rays and microwaves is that

• a) The intensity of the X-rays is greater
• b) The X-rays are polarized
• c) The X-rays have shorter wavelengths
• d) All of the above

10.

The speed of electromagnetic waves in the atmosphere

• a) Depends on the frequency
• b) Depends on the wavelength
• c) Is nearly constant
• d) Is faster in clear than cloudy skies

11.

Scattering of electromagnetic radiation changes

• a) Its direction
• b) Its speed
• c) Its intensity
• d) Its color

12.

Absorption is the process by which

• a) An object's color is defined
• b) Radiation is converted into heat
• c) The seasons change
• d) None of the above

13.

An example of a good black body is

• a) A light bulb
• b) An oxygen molecule
• c) Ozone
• d) The sun

14.

A blackbody model would NOT be useful in describing the emitted radiation from

• a) A light bulb
• b) The sun
• c) The earth
• d) Snow

15.

Since the earth is much cooler than the sun

• a) The amount of radiation emitted from the earth is less than from the sun
• b) The most intense radiation from the earth is at shorter wavelengths
• c) The earth contains more molecules than the sun
• d) All of the above

16.

The radiation emitted by a person is

• a) At infrared wavelengths
• b) At radio wavelengths
• c) At Rossby wavelengths
• d) At Visible wavelengths

17.

On average the earth-atmosphere system emits

• a) More radiation than it absorbs
• b) Less radiation than it absorbs
• c) The same amount of radiation as it absorbs
• d) More blue than green or red light

18.

The earth's blue sky is a consequence of

• a) The scattering of solar radiation
• b) The color of the ocean
• c) The temperature of the earth
• d) Blue ozone

19.

Sunsets are red because

• a) Red light scatters the most
• b) Red light scatters the least
• c) Red light is mostly likely absorbed by the atmosphere
• d) Red light is least likely absorbed by the atmosphere

20.

If the earth had no atmosphere, the average temperature of the earth would be

• a) The same as with an atmosphere
• b) Higher than with an atmosphere
• c) Lower than with an atmosphere
• d) Unknown

21.

The greenhouse effect is possible

• a) Only on earth
• b) On any planet
• c) On any planet with an atmosphere
• d) On planets with no atmosphere

22.

Equinox occurs

• a) When all latitudes receive 12 hours of day light
• b) twice a year
• c) When the north and south poles are the same distance from the sun
• d) All of the above

23.

Summer solstice is when

• a) The moon is furthest from the earth
• b) The moon is closest to the earth
• c) The north pole is tilted furthest from the sun
• d) The north pole is tilted closest to the sun

24.

Which of the following surfaces has the highest albedo

• a) Water
• b) Black asphalt
• c) Green grass
• d) Fresh snow

25.

Which of the following surfaces absorbs the highest percentage of incident solar radiation

• a) Water
• b) Black asphalt
• c) Green grass
• d) Fresh snow

26.

The primary and dominant greenhouse gas is

• a) Carbon dioxide
• b) Oxygen
• c) Ozone
• d) Water vapor

27.

With an increase in temperature

• a) The weight of an object increases
• b) The speed of an object increases
• c) The kinetic energy of the molecules within an object increase
• d) The refactive index of a object increases due to increased molecular spacing

28.

When an object is not changing phase the input of heat to the object will result in

• a) An increase in heat capacity
• b) An increase in conduction
• c) An increase in temperature
• d) A decrease in emitted radiation

29.

In a room at 80$^\circ$ F, a glass of beer and a glass of water are both at 40$^\circ$ F.

• a) The beer will warm faster than the water
• b) The beer will warm slower than the water
• c) They will both warm at the same rate
• d) The beer will not warm up

30.

Evaporation is considered a

• a) Heat absorbing process
• b) Heat releasing process
• c) Temperature increasing process
• d) Temperature decreasing process

31.

Condensation is considered a

• a) Heat absorbing process
• b) Heat releasing process
• c) Temperature increasing process
• d) Temperature decreasing process

32.

Heat transport by conduction requires

• a) Two objects at the same temperature
• b) Direct physical contact
• c) Two objects of the same substance
• d) All of the above

33.

The method of heat transport unique to fluids is

• a) Conduction
• b) Convection
• c) Radiation
• d) Reflection

34.

Which of the following is the BEST conductor of heat

• a) Copper
• b) Iron
• c) Water
• d) Still air

35.

Burning your hand on a hot stove is an example of heat transport by

• a) Conduction
• b) Convection
• c) Radiation
• d) All of the above

36.

The windchill and heat indices are measures of

• a) Wind speed and humidity
• b) Wind speed and temperature
• c) The rate of heat transport to/from humans
• d) Humidity and temperature

37.

Heat capacity is a measure of

• a) The temperature of thermodynamic coupling of water and ice
• b) The amount of heat needed to raise the temperature of a substance one degree
• c) The internal temperature of a substance
• d) The absorption efficiency of a substance

38.

Which has the highest heat capacity

• a) Soil
• b) Air
• c) Water
• d) Iron

39.

In response to absorbing 106.7 calories of heat which of the following will respond with the smallest rise in temperature

• a) Ice
• b) Water
• c) Brick
• d) Sand

40.

The flow of cold air into a warm region is called

• a) Sensible heating
• b) Cold air advection
• c) Radiational cooling
• d) Latent heating