The table of results of time versus temperature of the heating of ice. Time (Minutes) Temperature (°C) 0 3 -5 0 0 0 9 12 12 50 20 25 73 21 21 100 30 100 Gr 10 Practical 1 WATERBERG DISTRICT Term 2 3 Draw a graph of temperature versus time on the attached graph paper. Choose a suitable scale, label your axes, plot the points and draw the graph. (5) 4 Which time interval on your graph represents the phase change from liquid to gas? (1) 5 What was the temperature reading at 20 minutes? (1) How many phase changes are represented by the graph? (2)​