The change of a solid directly into gas is called …….. .

A substance is a form of matter that has a ……….. composition.

Matter is made up of very small …….. .

The matter in our surroundings exists in three states, ……. in liquids...

Intermolecular forces of attraction are ………. in solids, ……. in liquids...

The change of a solid into liquid is called ………

The change of a liquid into vapour is called ……….

The change of a solid into gas is called …… .

Evaporation takes place from the ……….. of the liquid, while boiling ta...

Rapid evaporation depends on the ………… area exposed to atmosphere.

Density is measured in ……….. .