8.10A Convection Currents

Front

What creates wind?

Back

Cool air moves in to replace warm air.

Front

How does heat flow in the oceans and atmosphere?

Back

Cool flows down – warm flows up.

Front

What happens when air sinks toward the Earth’s surface?

Back

It creates a high pressure area.

Front

What happens to air when it is heated?

Back

It becomes less dense.

Front

In what mediums do convection currents occur?

Back

Fluids and gases.

Front

What is convection?

Back

The transfer of heat through the movement of fluids or gases.

Front

What is the relationship between temperature and density in gases?

Back

As temperature increases, density decreases.

Front

What is a high pressure area?

Back

An area where air is sinking, leading to higher pressure.

Front

What is a low pressure area?

Back

An area where air is rising, leading to lower pressure.

Front

What role do convection currents play in weather?

Back

They help distribute heat and moisture in the atmosphere.