The following four junior high school science teachers are teaching the concept molecule to their students. In each classroom, some of the students have acquired formal operational reasoning abilities, whereas others think in a concrete operational manner. In which classroom are the concrete operational students most likely to have difficulty understanding?
a. Mr. Armani lets students touch and manipulate concrete models of various molecules.
b. Mr. Bendetti lets students look at the same concrete models that Mr. Armani has used.
c. Mr. Carmen verbally describes how different elements are made up of different numbers of neutrons, protons, and electrons.
d. Mr. Davidson has students role-play being neutrons, protons, and electrons. The neutron and proton students huddle together in the middle of the room, and the electrons move around them.
Question 2
Nellie is a student in Mr. Evett's class and she is very upset that her boyfriend just broke up with her. Who owns this problem?
a. Mr. Evett
b. Nellie's boyfriend
c. Nellie
d. Nellie and Mr. Evett
Nonpolar and polar bonds in an organic molecule
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