Expansion of Water

Purpose: This experiment is to find out whether water becomes more or less dense as it freezes.
Procedure: 1. Insert the thermometer into one of the holes of the two-holed stopper and then insert the glass tube in the other. Glycerin will help the thermometer and tube to slide into the holes easily.
2. Fill the container to the top with water.
3. Holding the container upright, insert the stopper into the mouth of the container. Make sure that no air is in the container. Water should fill the tube. …