Which of the following are characteristic features of divergent questions in a science classroom? 1. They test one's ability to think broadly on a certain topic. 2. They help in generating multiple alternative answers to a question. 3. They require students to analyze, synthesize, or evaluate a knowledge base.

In a Physics class, a teacher wants to explain the concept of a closed electric circuit. She refers to the human circulatory system, comparing the heart to a battery and the flow of blood through vessels to the flow of electric current through a circuit. Which pedagogical device is the teacher primarily using in this explanation?

A teacher assigns a task to her Class VIII students: 'Interview 10 children from your neighbourhood to find out their food habits and diet. On the basis of information collected, identify the healthy diet patterns among the children.' Students are expected to interact with peers, record responses systematically, and draw conclusions about nutritional patterns. Which process skills are primarily being promoted through this activity?