EVAPORATION AND BOILING

Basic Science JSS2 Second Term

WEEK EIGHT

EVAPORATION AND BOILING

Content

REFERENCE
Precious seed BASIC SCIENCE FOR JUNIOR SECONDARY SCHOOLS BOOK 2

TOPIC: EVAPORATION AND BOILING

Evaporation vs. Boiling

Evaporation occurs on the surface of the liquid and it is the vaporization of the liquid. It is a state of transition from liquid to the gaseous state. The process occurs slowly and cannot be seen as well. It occurs when there is the exposure of water to air and water molecules change into vapour and these vapours rise up and form clouds.

Boiling occurs on the entire mass of liquid and it is the vaporization of the liquid. It occurs rapidly. It happens when the vapour pressure of the liquid…