Convection Currents and the Mantle

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What is an example of conduction?

Putting a spoon in hot water.

What is radiation?

Radiation is the transfer of energy through empty space.

Three types of heat transfer

Radiation, conduction, convection

Which of these statements is true about what happens to fluid when temperature goes up: (a) Its particles occupy less space; (b) Its density decreases; (c) Its particles move more slowly; and (d) Its particles settle together more closely.

(c) Its particles move more slowly; and (d) Its particles settle together more closely.

What is conduction?

Conduction is the transfer of energy by direct contact.

What is convection?

Convection is heat transfer by movement of a heated liquid.

True or false: the heat source for convection currents in the mantle is the sun?

False

The movement of energy from a warmer object to a cooler object is called...

Heat transfer

It a pot is no longer heated, when will the convection currents stop flowing?

It will go on only if it is getting heated.

What are two forms of radiation?

The sun heating the earth and a marshmallow over a fire.

True or false convection currents flow in the asthenosphere?

True


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