Factors Affecting Wind

The horizontal movement of air is called:

(a)  

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Pressure differences that lead to wind are generated by:

• Uneven heating of the Earth's surface by the Sun

• Gravitational forces from the Moon

• Tidal periods (ebb and flood)

• Lightning

• Monsoons

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(a)   is/are the ultimate driving force of wind.

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Air would travel in a straight line from areas of high pressure to areas of low pressure if not for:

• Earth's rotation

• Earth's revolution (orbit)

• The Moon's gravitational pull

• Tidal periods (ebb and flood)

• Ocean currents

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NGSS.MS-ESS2-6

Which of the following would not exists on Earth if the Earth did not rotate and there was no friction (CHOOSE ALL THAT APPLY):

• Tornadoes

• Hurricanes

• Wind

• Mountains

• Temperature

Answer explanation

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Which of the following are factors that influence wind (CHOOSE ALL THAT APPLY):

• Pressure-gradient force

• Coriolis force

• Friction

• Ocean currents

• Tsunami

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Of the three factors that influence wind, ______________________ is the force that actually creates the wind.

• coriolis effect

• friction

• pressure-gradient force

In general, the _________________ the pressure differences, the _________________ the wind speed.

• greater, greater

• weaker, greater

• greater, weaker

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________________are lines connecting places of equal air pressure.

• Isobars

• Isotherms

• Barometers

• Barographs

• Anemometers

Answer explanation

Closer isobars indicate a ________________________

• strong pressure gradient and strong winds

• weak pressure gradient and weak winds

• strong pressure gradient and weak winds

• weak pressure gradient and strong winds

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