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QUIZ 10 - Chapter 16 |
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| 1. If you hold a flame at one end of a metal nail, the end in your hand soon becomes hot. The mechanism of heat transfer explaining this phenomenon is |
| a. convection |
| b. conduction |
| c. radiation |
| d nota |
| 2. You can comfortably hold your hand close beside a flame, but not very close above it. The mechanism of heat transfer explaining this phenomenon is |
| a. convection |
| b. conduction |
| c. radiation |
| d nota |
| 3. When air is warmed, it becomes |
| a. more dense than the surrounding air |
| b. less dense than the surrounding air |
| c. nota |
| 4. The warm air in the previous problem |
| a. rises |
| b. sinks |
| c. nota |
| 5. In the daytime at the seashore, the shore |
| a. warms more easily than the water |
| b. warms less easily than the water |
| c. nota |
| 6. In the daytime at the seashore, the air over the shore |
| a. rises |
| b. sinks |
| c. nota |
| 7. Metals are |
| a. relatively bad conductors of heat |
| b. relatively good conductors of heat |
| c. nota |
| 8. Stryrofoam, often used to make coffee cups, is |
| a. a relatively good conductor of heat |
| b. a relatively bad conductor of heat |
| c. nota |
| 9. In desert regions that are hot in the daytime and cold in the nighttime, the walls of houses are often made of mud. At night, the walls keep the inside of the house warm by |
| a. slowing the flow of heat from the inside to the outside |
| b. slowing the flow of heat from the outside to the inside |
| c. nota |
| 10. Energy from the Sun passes through space and then through the Earth's Atmosphere and warms the Earth. The mechanism explaining this phenomenon is |
| a. convection |
| b. conduction |
| c. radiation |
| d. nota |
| 11. Suppose you go home to relax after a hard day at school. You turn on your radio and receive signals from an antenna in the Berkeley hills. The mechanism explaining this phenomenon is |
| a. convection |
| b. radiation |
| c. conduction |
| d. nota |