global winds

Wind occurs because hot air rises and cool air sinks in a process called...

• conduction

• radiation

• convection

Warm rising air causes___________ pressure, resulting in ___________.

• high, rain

• high, clear skies

• low, rain

• low, clear skies

Cool sinking air causes___________ pressure, resulting in ___________.

• high, rain

• high, clear skies

• low, rain

• low, clear skies

Winds always blow from areas of _________ pressure to areas of _________ pressure.

• high, high

• low, low

• high, low

• low, high

Which statement correctly defines wind?

• Wind is the movement of air from areas of low pressure to areas of high pressure

• Wind is the movement of air from areas of high pressure to areas of low pressure.

• Wind is the movement of air to a colder area in the atmosphere.

• Wind is the movement of air pushed around and bouncing off Earth's surface.

Where does the initial source of energy come from that creates winds?

• the moon

• the sun

• the rotation of the Earth

Why does warm air rise?

• Warm air is more dense than cooler air.

• Warm air is less dense than cooler air.

• Warm air has more pressure than cooler air.

• Warm air has a higher dew point than cooler air.

Rising air creates what type of air pressure?

• high

• low

What direction do winds in the Northern Hemisphere blow?

• right

• left

• straight

What direction do winds in the Southern Hemisphere blow?

• right

• left

• straight