When you put a steel pin in water it sinks, but a ship made of steel floats. WHY ?

A piece of iron sinks in water, but a slip made of iron floats in water. Why?

Why an iron needle sinks in water, but an iron ship floats in water?

If you take kerosene and water in a test tube, kerosene floats on water.

Ice floats in water but sinks in kerosene. Why?

When cyclohexane is poured in water, it floats because:

If you put gas in a container, it fills the entire space. Why?

When a ship enters sea water from fresh water it sinks less.

In the figure (i) half of the meter scale is made of wood while the other half, of steel. The wooden part is pivoted at O. A force F is applied at the end of steel part. In figure (ii) the steel part is pivoted at O and the same force is applied at the wooden end

The total weight of a piece of wood is 6 kg in the floating state in water its 1/3 part remains inside the water on this floating solid what maximum weight is to be put such that the whole of the piece of wood is to be drowned in the water

When you put some ice cubes in a glass, droplets of water are formed on the outerwall of the glass. This explains the phenomenon of