1) Which is the best example of the transfer of heat by radiation? a) water boiling b) ice melting c) a lightbulb glowing 2) When the sun warms water, which resulting process occurs? a) precipitation b) evaporation c) condensation 3) Stirring a cup of hot tea causes a metal spoon to get warm. Which statement best explains why the spoon gets warm? a) Heat energy transfers from the metal spoon to the hot liquid. b) Heat energy transfers from the hot tea to the spoon. c) Heat energy transfers from the air to the hot liquid, and then to the spoon. d) Heat energy transfers from the hot liquid to the cup, and then to the spoon. 4) How does the energy from the sun influence the water cycle? a) by trapping water particles in clouds b) by turning liquid water into water vapor c) by causing water to precipitate d) by creating winds in the atmosphere 5) Bill stands in a swimming pool and notices that the water around his feet is a lot cooler than the water near the surface. Which process causes this difference in temperature? a) convection b) evaporation c) radiation d) conduction 6) People sitting around a campfire are able to feel the heat from the fire. How are the people able to feel the heat from the fire without touching the fire? a) The heat from the fire travels through the ground and heats the ground around the people. b) The heat from the fire is conducted through air molecules to the people. c) The heat from the fire rises in the air and then settles around the people. d) The heat from the fire radiates from the fire to the people. 7) After a rain, a puddle of water remains on a sidewalk. After a day of sunshine, the puddle is gone. Which process is most responsible for the disappearance of the puddle? a) precipitation b) transpiration c) evaporation d) condensation 8) Thermal energy comes from moving particles, it is a form of _________ energy (energy in motion). a) kinetic b) potential c) standing 9) When something is hot there is more or less kinetic energy? a) more b) less 10) When something is cold, there is more or less kinetic energy? a) more b) less 11) Material that increases the rate of heat transfer (heats up and cools down quickly) ex. metals a) insulator b) conductor c) styrofoam 12) Material that reduces the rate of heat transfer (heats up and cools down slowly) ex. plastic a) insulator b) conductor 13) Heat transfer takes place between objects by direct contact, it can be direct contact between solids or between a solid and a liquid a) convection b) conduction c) radiation 14) The transfer of heat by the circulation or movement of the heated parts of a liquid or gas a) convection b) conduction c) radiation 15) process by which energy radiates out in the form of electromagnetic radiation a) convection b) conduction c) radiation 16) Which is a better conductor: copper wire or wool? a) copper wire b) wool 17) Which is a better conductor:  bronze or glass? a) bronze b) glass 18) Which is a better insulator:  aluminum foil or wood? a) aluminum foil b) wood 19) Which is a better insulator: silver or cardboard? a) silver b) cardboard 20) Is styrofoam a conductor or insulator? a) conductor b) insulator

Thermal Energy- conduction, convection, radiation

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