Answer
In order for the ice to sink, the liquid must be less dense than the ice. To prevent the ice from melting, the experiment should be maintained at or below 0$^{\circ}$C.
Work Step by Step
In order for the ice to sink, the liquid must be less dense than the ice. To prevent the ice from melting, the experiment should be maintained at or below 0$^{\circ}$C.
