'Open a water tap. Adjust the flow so that it forms a thin stream. Charge a refill. Bring it near the water stream. Observe what happens. Write a short report on the activity.' The skill(s) developed in the students through this activity is/are:

Read the following excerpt from an NCERT Class VIII Science textbook: 'Children along with Prof. Ahmad and Madhavji enter the biosphere reserve area. Madhavji explains that biosphere reserves are the areas meant for conservation of biodiversity. Ahmad explains that the destruction of habitat, increasing population and introduction of new species may affect natural habitat of endemic species.' Which of the following objectives of science education does the above excerpt highlight? (A) Appreciate issues at the interface of science, society and technology. (B) Understand methods of generation of scientific knowledge. (C) Raise environmental concerns. (D) Nurture the aesthetic sense and creativity in science and technology.

Which of the following strategies are most appropriate for a teacher to teach the topic 'Save Energy'? A. Ask students to write slogans on saving energy. B. Write at least five ways to save energy. C. Make a model/project to depict energy saving. D. Encourage students to save energy in various ways in their lives.