1) Which is the best example of the transfer of heat by radiation? a) water boiling b) ice melting c) a hot air balloon rising d) a lightbulb glowing 2) When the sun warms water, which resulting process occurs? a) precipitation b) runoff c) evaporation d) condensation 3) One morning, a student notices that the grass in the area is wet, although it had not rained during the night. What could have caused the grass to be wet? a) During the night, water had evaporated from the trees in the area. b) The air above the ground became warmer during the night and caused precipitation. c) When the air cooled above ground during the night, water vapor condensed on the grass. d) The grass soaked up water from the ground during the night. 4) 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. 5) 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 6) How do plants return water back into the environment? a) by evaporation b) by condensation c) by runoff d) by transpiration 7) Water droplets forming on the outside of a cold glass of water on a hot, summer day is an example of which part of the water cycle? a) condensation b) evaporation c) precipitation d) transpiration 8) After lake water flows through a dam, which processes are most responsible for helping replace the water in the lake? a) precipitation and runoff b) transpiration and condensation c) condensation and runoff d) transpiration and precipitation 9) 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 10) 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. 11) 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

Thermal Energy

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