Salim, an EVS teacher had diagnosed that a group of children of class V has not understood the concept of Anemia of the chapter "A treat for Mosquito" in the EVS book "Looking Around". Which of the following is most suitable to use to help them in understanding the given chapter?
1
Explaining the concept again using textbook.
2
Giving lecture by writing important points on blackboard in brief.
3
Organizing an expert lecture by inviting doctors to have a discussion on diseases.
4
Using a chart to explain the cause and effects of Anemia.