Answer:
He can test it.
Explanation:
The student might take a pan and wet it from both the inside and outside, trying to keep the same amount of water in both sides.
Then, the student should place the pan on the stove and start a timer.
The student will observe attentively the water on both sides to see which one evaporates first, keeping also track of the timer.
To make sure that the test is accurate, it would be best if repeated several times.
