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Winds

Test Description: Identify local global winds. Understand the causes of these winds.

Instructions: Answer all questions to get your test result.

1) What causes wind?

Adifferences in air pressure Bdifferences in thermosphere Cdifferences in gravity Ddifferences in oxygen

2) What causes differences in air pressure around the Earth?

AWarm air sinks at the equator, and cold air rises at the poles. BWarm air rises at the equator, and cold air rises at the poles. CCold air rises at the equator and warm air sinks at the poles. DWarm air rises at the equator, and cold air sinks at the poles.

3) Air moves in large, circular patterns called

Apressure belts. Btrade winds. Cconvection currents. Dconvection cells.

4) In the Northern Hemisphere, winds traveling north appear to curve to the east because of the

APolar Easterlies. Bconvection currents Ctrade winds. DCoriolis Effect.

5) Global winds that blow from west to east are called

Amountain breezes Btrade winds. Cpolar easterlies Dwesterlies

6) Global winds that blow northeast from 30 degrees north latitude and southeast from 30 degrees south latitude are called

Apolar easterlies Bnortherlies Ctrade winds Dglobal easterlies

7) Narrow belts of winds that can reach 400 km/h are called

Ajet stream Bjet current Cconvection stream Dconvection current

8) Local winds are produced by

Aglobal winds Bglobal geographic features Clocal geographic features Dlocal farms and ranches

9) Mountain and valley breeses are caused by

Athe same temperature at all elevations Bhigh temperatures at all elevations Cdifferences in temperature and elevation Dsimilarities in temperature and elevation

10) Winds that blow from 30 to 60 degrees latitude in both hemispheres are called

Atrade winds Bpolar easterlies Cthe doldrums Dwesterlies

*select an answer for all questions

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