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Transcript
Chapter 22 Practice test Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Heat transfer by conduction in metals occurs when a. atoms give off heat in the form of electromagnetic waves. b. large numbers of atoms move from place to place. c. electromagnetic waves travel from one place to another through a vacuum. d. electrons bump into atoms and other electrons. e. none of the above ____ 2. Plastic foam is a good heat a. conductor. b. insulator. c. emitter. d. absorber. e. radiator. ____ 3. Heat transfer by convection occurs when a. electromagnetic waves travel from one place to another through a vacuum. b. electrons bump into other electrons. c. atoms give off heat in the form of electromagnetic waves. d. large numbers of atoms move from place to place. e. none of the above ____ 4. Heat travels from the sun to Earth by a. conduction. b. radiation. c. convection. d. insulation. e. vacuumization. ____ 5. Energy transfer by convection is primarily restricted to a. gases. b. liquids. c. solids. d. fluids. e. none of the above ____ 6. If a volume of air is warmed, it expands. If a volume of air expands, it a. neither warms nor cools. b. warms. c. cools. True/False Indicate whether the statement is true or false. ____ 7. Materials that are poor heat conductors are insulators. ____ 8. Heat that is transferred to us from the sun is transferred by radiation. ____ 9. All objects above 0 K radiate energy. ____ 10. A good reflector of heat is a poor absorber of heat. ____ 11. The rate of cooling of an object is proportional to the temperature difference between the object and its surroundings. Chapter 22 Practice test Answer Section MULTIPLE CHOICE 1. ANS: STA: 2. ANS: STA: 3. ANS: STA: 4. ANS: STA: 5. ANS: STA: 6. ANS: STA: D IP.3.1 B IP.3.1 D IP.3.1 B IP.3.1 D IP.3.1 C IP.3.1 PTS: KEY: PTS: KEY: PTS: KEY: PTS: KEY: PTS: KEY: PTS: KEY: 1 DIF: L1 heat | transfer | conduction 1 DIF: L1 foam | insulator 1 DIF: L1 convection | atom 1 DIF: L2 heat | radiation | sun 1 DIF: L1 convection | fluid 1 DIF: L2 warm | volume | expand OBJ: BLM: OBJ: BLM: OBJ: BLM: OBJ: BLM: OBJ: BLM: OBJ: BLM: 22.1 Conduction knowledge 22.1 Conduction knowledge 22.1 Conduction knowledge 22.1 Conduction comprehension 22.2 Convection knowledge 22.1 Conduction comprehension 1 DIF: L1 insulator | conductor 1 DIF: L1 radiation | sun 1 DIF: L1 kelvin | energy | radiation 1 DIF: L1 BLM: knowledge 1 DIF: L1 BLM: knowledge OBJ: BLM: OBJ: BLM: OBJ: BLM: OBJ: 22.1 Conduction knowledge 22.3 Radiation knowledge 22.3 Radiation knowledge 22.5 Absorption of Radiant Energy TRUE/FALSE 7. ANS: STA: 8. ANS: STA: 9. ANS: STA: 10. ANS: KEY: 11. ANS: KEY: T PTS: IP.3.1 KEY: T PTS: IP.3.1| IP.4.2 KEY: T PTS: IP.3.1| IP.4.2 KEY: T PTS: reflect | absorb T PTS: cool | temperature OBJ: 22.6 Newton's Law of Cooling