Chapter 5 - Section 2 - Convection and the Mantle

Question 1

How is heat transferred?

Answer 1

radiation, conduction and convection

Question 2

What causes convection currents?

Answer 2

movement of currents within a fluid

Question 3

What causes convection currents in Earth’s mantle?

Answer 3

heat from the core and the mantle itself

Question 4

radiation

Answer 4

The transfer of energy through space.

heat by radiation: There is no direct contact between a heat source and an object.

Question 5

conduction

Answer 5

The transfer of heat within a material or between materials that are touching.

Question 6

convection

Answer 6

The transfer of heat by movement of a currents within a fluid.

Question 7

density

Answer 7

The amount of mass in a given space; mass per unit volume.

Question 8

convection current

Answer 8

the flow that transfers heat within a fluid

Question 9

What is an example of eat transer by radiation?

Answer 9

sunlight is radiation that warms the Earth’s surface

Question 10

Name 2 layers of Earth in which convection currents take place.

Answer 10

core and mantle