Which one of the following four teaching methodologies followed by four different science teachers for teaching the topic 'Air Pollution' is most appropriate?

Options

A. Dictating the answer to all questions in the exercise after completing the topic
B. Showing a documentary film 'Air Pollution' to the students
C. Asking the students to collect air samples before and after Diwali, study their quality and tabulate the findings
D. Asking the students to read the topic from the text book loudly and explaining the meaning of concepts/terms

Answer

B

Explanation

This activity will give them a fair idea of different types of pollutants in air and they will get a better understanding of air pollution.