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Several papers in this issue describe history as a
vehicle for learning chemistry and chemistry as a vehicle for
preserving history. These prompted me to think about taking
a longer view of the common enterprise all of us participate
in as teachers of chemistry.
Our society seems aimed at exactly
the opposite kind of approach. Most corporations seem to be concerned chiefly with
the bottom line for the current quarter, not with fundamental research that may assure
their vitality a decade hence. Politicians seem to worry about the latest poll, tonight's
fund-raising dinner, and the next election. The state of the country as little as a year or two from now
seems the farthest thing from their minds. There seems to be
widespread discounting of the future-devaluation of things,
such as education of children, that only pay off years later,
and even we and our students are not immune. "If I can't see
that it benefits me immediately, I don't want to know about it"
is a common reaction among students, and we teachers
often behave the same way-I want something I can use in
class tomorrow, not a broader, longer-term background in the
subject that may prove beneficial a year or more from now.
Another aspect of this was touched on in my June
editorial on the Third International Mathematics and
Science Study (TIMSS). In comparison with other countries,
U.S. students' science and math test scores were above average
in elementary grades, average in middle school, and below
average in high school. U.S. high school students devoted
fewer hours to study than those in other countries or in
earlier grades, and this was at least partially attributed to the
fact that they are much more likely to be working at a paid
job. A reader of that editorial responded that students'
working for other than the basics of economic survival was
short sighted:
In my opinion, parents do their children a
great disservice by allowing them to work during the school year.
I see students working to pay for a car, or car
insurance, designer clothes/shoes, CDs, concert tickets, etc. If I
had to, I would take a second job scrubbing floors, or
whatever, to allow my daughters the luxury to do their
job right-study.
The writer's parents motivated their two daughters
to study, and the daughters achieved an M.D. and a Ph.D.
Those parents obviously took a long view of what would be
most helpful to their children-the long-term satisfaction of
careers that benefit society greatly.
How can we help students to learn that science (and
life, for that matter) requires thinking about the future as well
as the present? Not by simply saying that science is easy or
fun. And not through TV shows or classes that show the
results of science without documenting the
struggles and persistence that were required to
achieve those results. Yes, science is fun, but it is
a longer-term and more fulfilling kind of fun than that often represented on TV. It is a
lot more like the fun of teaching. The process is arduous, it requires discipline and
planning, and even when a goal has been achieved
there are countless additional things to try.
Satisfactions are often savored long after the work is over, except
for the immediate inner satisfaction of doing anything well.
Giunta (page 1322) describes using history to teach
scientific method and alludes to the case-study approach
promulgated much earlier by James Bryant Conant in a
book titled On Understanding Science. According to Conant, a
scientist "approaches a problem in pure or applied
sciencewith a special point of view. I designate this point of view
'understanding science'." And, "Being well informed about
science is not the same thing as understanding science, although
the two propositions are not antithetical." To understand
science, Conant thought, requires that one "retrace the steps by
which certain end results have been produced", not that one
simply be exposed to a logical exposition of the subject. That
is, it requires a historical approach, not a mathematical or
philosophical one. Or it requires actually experiencing those,
or similar, steps, as in student research projects.
Conant recommended that case studies be taken
from the time during which a science developed into its
modern form, because such studies would require little
background knowledge and relatively little mathematics. Even more
importantly, "one sees in clearest light the necessary
fumblings of even intellectual giants when they are also pioneers;
one comes to understand what science is by seeing how
difficult it is in fact to carry out glib scientific precepts."
Perhaps we all suffer from what is exemplified by
the sound-bite approach to political, and even scientific,
discourse. Students and teachers want quick and easy
answers to questions and simple, fool-proof nostrums for
pedagogical difficulties, when in fact to attain anything of value
requires real effort-even struggle-over a long period.
Getting that simple idea across, especially in an era when
society's values seem to contradict it, might well be the most
important way we can help students.
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