Susie made a water thermometer. She tested her thermometer at different temperatures.

      10° C         30° C         70° C    

a)	In the tube below, draw the water level to show a temperature of 50°C.
b)	What is the maximum temperature Susie could measure with her water thermometer?   (A) 90° C        (B) 100° C        (C) 110° C        (D) 120° C        (E) 130° C
c)	Why does the liquid move up the tube as the temperature increases?
d)	Why could you not use this thermometer to measure temperatures below 0° C?