A student places a small cup of hot water inside a larger cup of cold water as shown in the diagram. Water Temperature Experiment
Thermometer
Thermometer
Cold water 5 °C
-Hot water 20 °C
Which question can be answered by observing this investigation?
A. How do thermometers measure the temperature of water?
B. How does the temperature of the air above the water change?
C. How long will it take for the water in both cups to reach the same temperature?
D. How does heat move from the water in the large cup to the water in the small cup?