1) Ice cubes are placed in a glass of tap water. How will heat flow between the ice cubes and the water? a) from the ice cube to the water b) from the water to the ice cubes c) there will be no flow of energy d) there will be random movement 2) When we measure the temperature of a substance, what we are exactly measuring? a) The object’s kinetic energy. b) The object’s thermal energy. c) The object’s potential energy. d) All of the above 3) When you pour cold water in a glass, what is most likely to happen in the molecules of the glass? a) It will expand b) It will contract c) It will remain the same. d) It will increase its number. 4) How much energy is required to heat 10g of water from 15 0C to 65 0C? The specific heat capacity of water is 4.184 J. a) 9.0J b) 20.95 J c) 90 J d) 2,092 J 5) What is the measure of energy flow due to temperature difference between objects? a) energy b) heat c) temperature d) all of these

heat and temperature

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