6. The transfer of heat by the movement of a fluid (liquid or gas) is called:
A) Conduction
B) Radiation
C) Convection
D) Insulation
7. Which of the following materials is a poor conductor of heat?
A) Aluminum
B) Glass
C) Steel
D) Silver
8. Which of the following statements is true about heat transfer?
A) Heat always flows from a cooler object to a warmer object
B) Heat always flows from a warmer object to a cooler object
C) Heat flows at a constant rate regardless of the temperature difference
D) Heat does not flow unless there is a temperature difference
9. The unit of specific heat is:
A) Joule
B) Calorie
C) Joule per gram per Celsius degree
D) Calorie per gram per Celsius degree
10. Which of the following is NOT a method of heat transfer?
A) Conduction
B) Radiation
C) Insulation
D) Compression