1.Students learn the topic of Electricity in Primary 5 and many of them find the concepts involved to be confusing, especially when they are first exposed to this topic.
(i'm not sure my answer in no. 1)
2.When there is a power outage, switch on, the bulb will stay on as emergency led light, if witch off, the bulb will be off.
Answers & Comments
1. Students learn the topic of Electricity in Primary 5 and many of them find the concepts involved to be confusing, especially when they are first exposed to this topic.
(i'm not sure my answer in no. 1)
2. When there is a power outage, switch on, the bulb will stay on as emergency led light, if witch off, the bulb will be off.
3.