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Subject: THERMODYNAMICS

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Activity 1 Temperature and Heat Direction: Answer the following questions briey and comprehensively. 1. In a meeting room, there are chairs; a table, and people. Which of these things has a temperature a] lowerthan, b] greater than, or c} equal to the temperature to the temperature of the air? Why can't you established whether you are running a high temperature by touching your own forehead? Adding the same amount of heat to two different objects does not necessarily produce the same increase in temperature. Why? In the past, on a cold winter night, it was common to bring a hot object to the bed with you. Which would keep you warmer through the cold night -a 1D kg hot iron brick or a 1D kgjug of hot water. Explain State whether water at the following temperature will expand or contract when warmed a little: Cl \"C; 4 \"C; 6 \"C