Students are testing the ability of a device to prevent the transfer of thermal energy. They conduct the test by placing a container of heated water inside the container. The most useful data for testing the ability of the device to prevent the flow of energy would be which of the following?
A. The density, in grams per cubic centimeter, or the materials used to build the device.
B. The volume, in cubic centimeters, of empty space inside the container
C. The volume, in milliliters, of hot water in the container placed inside the device
D. The change in the temperature, in degrees Celsius, of the water over one hour