Convection Current

What is an example of a convection current?

• Touching a hot spoon that was in a soup bowl.

• Feeling the suns rays on a nice summer day.

• Touching an iron skillet after cooking and feeling the heat.

• Movement of gas in a hot air balloon.

Tags

NGSS.MS-ESS2-6

What causes convection current in the Earth?

• The uneven heating on each layer inside the Earth.

• The crusts outer layer.

• The temperatures we feel outside.

In convection, WARM air

• Rises

• Sinks

Tags

NGSS.MS-ESS2-5

Energy for convection on the Earth comes from...

• The sun

• The moon

• Solar winds

• The ocean

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

The Gulf Stream is a current that brings warm ocean water from the south (near Florida) to the north (Europe). What type of heat transfer is this?

• conduction

• convection

• radiation

• Insolation 

Tags

NGSS.MS-ESS2-6

Convection currents happen inside the Earth. Magma is heated by ______ and rises towards the crust.

• the sun

• the core

• plate tectonics

Tags

NGSS.MS-ESS2-1

At the seashore late in the afternoon on a hot day, a person often feels a strong breeze coming from the ocean because...

• the pounding waves generate air currents

• warm air over the ocean rushes in to replace the cool air that rises over the land

• the heavy, cool air over the ocean rushes in to replace the warm air that rises over the land

• there are no clouds to block the wind coming in from the ocean

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Heat transfer by convection is caused by differences in what two things:

• Thickness and material

• Weight and electricity

• Temperature and density

Tags

NGSS.MS-PS3-4

Energy for convection in the atmosphere and hydrosphere comes from...

• The sun

• The moon

• Solar winds

• The ocean

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

What is one role of the ocean in convection?

• to provide a home for animals

• to absorb & release heat

• To surf on

• To drink from

Tags

NGSS.MS-ESS2-6