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

What do you understand by the term relative density of a substance?

Differentiate between density and relative density of a substance?

With the use of Archimedes' principle, state how you will find relative density of a solid denser than water and insoluble in it. How will you modify your experiment if the solid is soluble in water?