What does the following historical excerpt regarding Alexander Fleming's accidental discovery of Penicillin from a blue-green mould left in an uncovered Petri dish illustrate about the Nature of Science?

A teacher asks the following questions while involving students in an investigatory activity on seed germination: A. How much do they grow if we double the amount of water? B. How much are they growing every week? Which process skills are primarily developed by these questions respectively?

A middle school science teacher organizes a classroom debate on the topic 'Destruction of natural habitats due to urban encroachment'. Which of the following is NOT a recommended purpose of using debates as a classroom activity?