Why does cork float? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 Students CBSE Exams.

Why does cork float?

Cork is lighter than water. The walls of the cells in cork are filled with air. Water cannot easily penetrate these cells. So the cork does not become waterlogged which would make it sink. Cork is the outer bark of the oak tree.

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