Click here to view the schedule of the national online exams organized by The Ministry of Secondary Education.
Start nowLesson 7
Physical change
Physical change
MINESEC DISTANCE LEARNING
Please be patient, we are assembling your quiz
Score : 0 / 30
1
Explain why dissolving sugar in water is considered a physical change, yet dissolving sodium metal in water is a chemical change.
AI Chat
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]
