Making a collection is not always considered an erudite use of laboratory time. It has been said that study of rocks, for example, entails a good deal more than discovering that a specific specimen can be assigned a specific name. This is freely admitted to be true, but this writer has discovered that assigning the proper name to a specimen demands a more careful and memorable examination of discriminating details of rock types, for example, and that it leads to a useful familiarity with variations of a single rock type.
Iowa Science Teachers' Journal
© Copyright 1967 by the Iowa Academy of Science
"Testing an Earth-Science Aid,"
Iowa Science Teachers Journal: Vol. 5
, Article 6.
Available at: https://scholarworks.uni.edu/istj/vol5/iss2/6