1) An electric stove heating an iron an is an example of a) conduction. b) convection. c) radiation. 2) Thermal energy is added to four identical samples of water. What increases in each sample? a) mass b) density c) kinetic 3) Heat transfer from water at the bottom of a pot to water at the top is an example of a) conduction. b) convection. c) radition. 4) The warmth you feel sitting next to a fire is due to a) conduction. b) convection. c) radiation. 5) If you place 3 spoons into hot water, one wood, one plastic, and one metal, which spoon would be most likely to transfer the heat of the water? a) metal b) wood c) plastic 6) Warm air is pushed up by cooler air during convection because the warm air is a) the same. b) more dense. c) less dense. 7) A balloon filled with room temperature air and then put in a sunny place expands slightly due to a rise in temperature. This is due to the molecules of air a) moving faster. b) increasing in number. c) increasing in density. 8) Sunlight heating the interior of a car on a sunny day is an example of a) conduction. b) convection. c) radiation. 9) The surfaces of a heated metal object measures 120 degrees Celsius. It is dropped into a bucket filled with water measuring 10 degrees Celsius. Which is most likely to occur in an hour? a) water temp is the same b) metal temp increases c) equilibrium is reached 10) The warmth you feel holding a warm cup of cocoa is an example of a) conduction. b) convection. c) radiation.

Heat Transfer

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