Pressure Gradients
Convection Currents
Weather Fronts
Prevailing Winds
Coriolis Effect
100

In pressure gradients, air moves in what direction?

From high pressure systems to low pressure systems.

100

What is it called when heat is transferred through movement?

Convection.

100

What weather front is shown on a map as a red line with half circles in the direction of movement?

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Warm fronts.

100
What are prevailing winds?


Wind belts that generally move in one direction across the globe.

100

What is it due to?

Earth's rotation.

200

How does air move to and from pressure systems?

In a spiral.

200

Why do cooler fluids sink?

They become denser.

200

What weather front is a combination of blue triangles and red semi-circles.

Stationary fronts.

200

Name one of the two causes for prevailing winds?

Differential heating of the earth and the Earth's rotation.

200

What direction are bodies pushed in NA.

Right.

300

What kind of pressure leads to clearer skies?

High pressure.

300

When a fluid rises, it tends to be ________ then the other fluids.

Warmer

300

If were we experience calm winds with the possibility of some precipitation, what weather front are we experiencing?

Stationary Front

300

Name one of the two types of prevailing winds.

Easterlies or Westerlies.

300

Spin of hurricane in Indonesia.

CCW

400

What kind of pressure leads to warm humid air?

Low pressure.

400

What is one "loop" of convection currents called?

A convection cell.

400

What happens to the hot air during a cold front?

It rapidly rises over the cold air and is unstable.

400

What leads to a stationary front.

A cold air mass meeting a hot air mass and cannot move across each other .

500

What is the main driver behind air currents?

Pressure gradients.

500

What do birds use to rise high into the sky easier?

Thermal columns.

500

How do stationary fronts occur?

When a hot air mass and cold air mass meet and cannot move across eachother.

500

The direction of the triangles on a cold front line means what ?

Wind direction.

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