Now consider a stone. Fidel lets go of it in the water.

The stone goes to the bottom. The stone sinks.

The gray stone goes to the bottom. It sinks.

Now consider a cork.

The cork stays at the top. The cork floats.

The cork stays at the top. It floats.

Now consider a candle stub.

The candle stub stays at the top. The candle stub floats.

Most of the candle stub is under the water. It is not on the bottom, so it floats.

The candle stub stays at the top, most of it under the water. It is not on the bottom, so it floats.

Fidel adds each one to his table.

Fidel's finished table: five objects, one row each.