11. Which of the following is an example of convection?
a) Holding a spoon over a flame
b) Touching a hot stove
c) A pot of water boiling on the stove
d) Feeling the warmth of the sun on your skin
Answer: c) A pot of water boiling on the stove
12. Which of the following is an example of radiation?
a) Holding a spoon over a flame
b) Touching a hot stove
c) A pot of water boiling on the stove
d) Feeling the warmth of the sun on your skin
Answer: d) Feeling the warmth of the sun on your skin
13. Which of the following is the best conductor of heat?
a) Air
b) Water
c) Iron
d) Glass
Answer: c) Iron
14. The process of heat transfer through the movement of particles in a fluid is called:
a) Conduction
b) Convection
c) Radiation
d) Insulation
Answer: b) Convection
15. Which of the following materials is a good insulator of heat?
a) Copper
b) Aluminum
c) Glass
d) Silver
Answer: c) Glass
