(a(i))[1]
State how the molecular arrangement in ice is different from that in liquid water.
(a(ii))[1]
State how the motion of the molecules in ice differs from that in liquid water.
(b(i))[2]
Calculate the volume occupied by the ice on the rink.
(b(ii))[2]
Calculate how much energy must be removed from the water to produce this ice at $0^{\circ}\text{C}$.
(c)[1]
State the name of this type of thermometer.