8. Which of the following is a GOOD conductor of heat?
A plastic
B. paper
C. metal
D. cloth
9. Hot air popper is used to make popcorna. This is an example of what and
of heat transfer?
A Conduction
B. Radiation
C. Convection
D. Insulation
10. Convection transfers heat energy through
A. gas and solid
C. liquid and gas
B. solid and liquid
D. solid and plasma
11. Rising warm air current is an example of
A. Evaporation
B. Conduction
C. Radiation
D. Convection
12. What heat kind of transfer is the transmission of electromagnetic waves
through the microwave oven?
A. Conduction
B. Radiation
C. Convection
D. Insulation
13. Which of the following is an example of Radiation?
A. heating water on the stove
B. warm weather and bodies of water
C. cooling air in air conditioners
D. x-rays from x-ray machine
14. Fast food restaurants keep food warm by placing them under heat lamps.
These lamps transfer heat by what means?
A. Conduction B. Radiation C. evaporation D. conduction
15. Which statement best explains why ice is a good refrigerant?
A. It cools by evaporation
B. It absorbs heat while melting,
C. It conducts heat quickly
D. It does not melt inside the refrigerator.​