Winds

Windchill factor

increased cooling caused by the wind

How does heating air affect its density and pressure?

the warmer the temperature the lower its density and pressure which means that the molecules in the air move more freely.

Coriolis effect

the way the earth's rotation makes the wind curve

distinguish between sea and land breezes

A sea breeze is when during the day, the land heats up faster than the water. So the warm air from the land goes upward and cool air from the water blows toward the land and moves underneath the warm air, which causes a sea breeze. A land breeze is the opposite because at night, the land cools off faster than the water. So the cool air from land moves under the warm air toward the sea creating a land breeze.

Anemometer

An instrument used to measure wind speed

compare and contrast local and global winds

Local winds are unequal heating over a small area. Global winds are also unequal heating but over a large surface instead of a small surface.

winds blow locally and globally due to...

Temperature differences and air pressure differences.

Why does the air move away from the equator?

The equator is warmer than the poles because the sun hits it directly so the warm air from the equator rises easily and moves up and down to the poles.

How does the sun's energy affect Earth's atmosphere?

The sun heats the Earth unevenly, causing a difference in temperature. This causes differences in air pressure, which then forms winds.

where does the sun's rays strike Earth most directly and least directly?

The sun's rays strike earth most directly which is why the equator is very warm and the sun's rays strike the poles least directly which is why they are colder.

what is the role of convection currents in wind, wind movement, and weather?

The temperature affects the role of convection currents because the differences in temperature from the equator to the poles produce convection currents in the atmosphere. Also, convection currents create global winds because of different temperatures and the winds move at different speeds depending on how close or far they are from the equator.

Convection

The transfer of heat by the movement of a fluid

What causes local winds?

The unequal heating or temperatures between the land and water

What is a global wind?

Winds that blow steadily from specific directions over long distances

convection current

a current caused by the rising of heated fluid and sinking of cooled fluid

Temperature differences between the equator and poles produce______

convection currents

How is wind related to air pressure and temperature?

cool air is denser and has higher pressure than warm air. When cool air comes in contact with warmer air, it flows beneath the warmer air and forces the warm air to rise.

What is wind?

differences in air pressure that cause the air to move.

The two qualities used to describe wind are____ and ______.

direction, speed

Trade winds blow from the horse latitudes toward the_______

equator

Land breeze

movement of air from land to sea at night, created when cooler, denser air from the land forces up warmer air over the sea

Sea breeze

movement of air from sea to land during the day. when cooler air from above the water moves over the land, forcing the heated, less dense air above the land to rise

A local wind that blows during the day from an ocean toward land is a______

sea breeze

two types of local winds

sea breeze and land breeze

If the Earth did not rotate, global winds would follow a_____ path

straight

What causes local winds to form?

the different temperatures between the land and the sea.

Wind

the movement of air caused by differences in air pressure