Record the data on the same chart drawn on the board. Place mass in grams on the vertical axis and volume in ml on the horizontal axis. Title the graph, Mass-Volume Relationship For Different Liquids. Pour equal volumes of vegetable oil in transparent cups for each group. Place a green ice cube in each cup.
Students observe what happens and explain the results.
The ice cube will float on the top and form drops as it melts and falls down through the vegetable oil. E was the least dense. Students should be given the opportunity to present their explanations to the class.