How are the (i) mass, (ii) volume, and (iii) density of a metallic piece affected, if at all, with increase in temperature?

Complete the following sentences —

(i) Mass = …………… x density

(ii) S.I. unit of density is ……………

(iii) Density of water is …………… kg m^-3

(iv) Density in kg m^-3 = …………… x density in g cm^-3

A body weighs W gf in air and W₁ gf when it is completely immersed in water. Find (i) volume of the body, (ii) upthrust on the body, (iii) relative density of material of the body.

Water is heated from 0°C to 10°C. How does the density of water change with temperature?