Heat Transfer

what is a convection current?

• Gas (liquid) is heated.

  articles move Faster. Warm air becomes less dense.

  Warm air rises.

  Cold air sinks.

  If there is a heat source (a place the heat is coming from.)

• doop

• Warm air rises.

    Cold air sinks.

• Warm air rises

   

Conduction means .

What is the definition of convection?

What is the definition of Radiation?

• Heat Transfer

• Transfer of heat

Draw a example of convection.

Draw an example of conduction.

Draw a example of radiation.

Convection and conduction are the same.

• true

• false

when two solids touch.

• convection

• conduction

• radiation

When warm air rises and cold air sinks.

• conduction

• convection

• radiation