16. The transfer of heat energy by the actual movement of a fluid is known as:
a) Conduction
b) Convection
c) Radiation
d) Insulation
17. The property of a material to resist the flow of heat is called:
a) Conductivity
b) Insulation
c) Convection
d) Radiation
18. The transfer of heat by direct contact between particles of matter is called:
a) Conduction
b) Convection
c) Radiation
d) Insulation
19. Which of the following is an example of conduction?
a) A hot air balloon rising in the sky
b) A metal spoon becoming hot when placed in a hot drink
c) Feeling warm when sitting near a fire
d) Feeling the warmth of the sun on your skin
20. Which of the following is an example of insulation?
a) Wearing a thick jacket in cold weather
b) Sitting near a fire to keep warm
c) Placing a pot of water on a hot stove
d) Touching a hot pan with bare hands
