The energy that drives convection within the atmosphere and oceans, producing winds and currents, is provided by the —

A. Coriolis Effect
Incorrect. The Coriolis Effect affects winds and currents but does not provided the energy for them.

B. rotation of the Earth
Incorrect. The rotation of the Earth does not provided the energy that drives convection.

C. Sun
Correct!

D. moon
Incorrect. The moon does not provide energy that drives convection.


What causes wind?

A. Unequal heating of the earth's surface
Incorrect. Winds are caused by unequal heating of the earth’s surface, but what else causes winds?

B. Pressure differences
Incorrect. Winds are caused by pressure differences, but what else causes winds?

C. The rotation of the earth
Incorrect. The rotation of the earth affects the direction of wind, but does not cause them.

D. Unequal heating of the earth’s surface and pressure differences
Correct! Winds are caused by both unequal heating of the earth’s surface and by pressure differences.


Which of the following is true for how the Coriolis Effect affects wind?

  1. The Coriolis Effect prevents winds from blowing directly north and south.
  2. In the Northern Hemisphere the Coriolis Effect curves winds to the right.
  3. In the Southern Hemisphere the Coriolis Effect curves winds to the left.
  4. The Coriolis Effect causes winds.

A. I
Incorrect. The Coriolis Effect does prevent winds from blowing directly north and south but what else?

B. II and III
Incorrect. The Coriolis Effect does cause the winds to curve, but what else?

C. I, II, and III
Correct!

D. I, II, III, and IV
Incorrect. The Coriolis Effect does not cause wind.


According to the map below, most of the United States is located between what prevailing wind belt?

A. Westerlies
Correct!

B. Northeast trade winds
Incorrect. Look at the map again.

C. Southeast trade winds
Incorrect. Look at the map again.

D. Polar easterlies
Incorrect. Look at the map again.