Physical change

The teacher begins the lesson by correcting the assignment from a previous lesson [03:05]. The purpose of the intro slides are to illustrate the secondary schools platform with the support of government ministries and UNESCO. The teacher then defines matter, physical change as they explain the objective of this lesson, as well as give examples of common substances for learners to identify physical changes. The lesson is on physical change and what differentiates them from chemical changes with particular attention paid to types of changes such as boiling water, the meting of candle wax and even ripening fruit [10:24]