One group of students did an experiment to study the movement of ocean water. The steps of the experiment are listed below.
1. Fill a rectangular baking glass dish with water.
2. Place four plastic bags with ice in the water at different parts of the dish.
3. Put a few drops of ink in the water.

The students did not observe the ink move on the surface of the water from one part of the dish to another because the experiment had a flaw. Which of these statements best describes the flaw in the experiment?

Question

One group of students did an experiment to study the movement of ocean water. The steps of the experiment are listed below.
1. Fill a rectangular baking glass dish with water.
2. Place four plastic bags with ice in the water at different parts of the dish.
3. Put a few drops of ink in the water.

The students did not observe the ink move on the surface of the water from one part of the dish to another because the experiment had a flaw. Which of these statements best describes the flaw in the experiment?

anonymous · Answer

a. There was no equipment to create temperature difference in the water.
b. Not enough water was used.
c. The dish was too small for the ink to move on the water surface.
d. Not enough ice was used.