Procedure for Density Experiment

1. Gather equipment. Per group of three or four students:  2 glass beakers, hot plate, water, paper towel, and food coloring.
2. Place cold water in a clear beaker.
3. Place several drops of food coloring into the beaker. (Note how the color spreads in the cold water.)
4. Place the other beaker with water on the hot plate.
5. Heat the water until it almost boils (if it boils let it cool enough so that it is not bubbling).
6. Place several drops of food coloring into this beaker. (Note how the color spreads in the hot water.)
7. Complete lab report sheet (one per group).
8. Make presentation to the class.

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