Convection

1
Convection

• Homework and Review Questions

2
Q1

• What are convection currents and where in the
  Earth do they exist?

3
Q2

• What is moving in a convection current inside the
  Earth?

4
Q3

• True or False. Explain your answer.
• The transfer of energy through empty space is
  called convection.

5
Q4

• True or False. Explain your answer.
• The movement of energy from a warmer object to a
  cooler object is called heat transfer.

6
Q5

• True or False. Explain your answer.
• Conduction is heat transfer by direct contact of
  particles of matter.

7
Q6

• What are the similarities and differences between
  Radiation and Conduction?

8
Q7

• Why does material rise in a convection cell?
• Why does the same material later fall ?

9
Q8

• After the material rises up as far as it can go,
  why does it move to the side, away from the
  location where it rose?

10
Q9

• Provide separate examples of conduction,
  radiation and convection that could be found in a
  kitchen.

11
Q10

• What is the relationship between density and
  convection?

12
Q11

• Is cooking an egg in a frying pan and example of
  convection? Explain your response.