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Pathways in Science, Chemistry 1, The Materials of Nature, by Joseph M. Oxenhorn and Michael N. Idelson.
This 1968 section of “Pathways is call the Materials of Nature. In this section, you will be studying a branch of science called “chemistry.” Chemistry is the study of the substances in nature: what they look like, how they are put together and how they react with one another. It is an exciting science and will answer many questions for you.”