Pick five objects from the word box given as Fig. 4.1 which are opaque and would sink in water.
i. The coin is heavier than water and things cannot be seen through it. Hence, it is opaque and would sink in water.
ii. Stone is heavier than water and things cannot be seen through it. Hence, it is opaque and would sink in water.
iii. The pencil is heavier than water and things cannot be seen through it. Hence, it is opaque and would sink in water.
iv. Eraser is also heavier than water and things cannot be seen through it. Hence, it is opaque and would sink in water.
v. Coal is heavier than water and things cannot be seen through it. Hence, it is opaque and sinks in water.
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