Energy is not created or destroyed. The amount of energy gained by the cooler water in the canister should be close to the amount of energy lost by the warmer water in the cup. There was also some transfer of energy from the surroundings, which would affect the results. 3. Compare the temperature changes of cup and canister. Explain whether those results make sense. Remember that the water in the cup had twice the volume as the water in the canister.
