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Volume 9, Number 3 (1972)
Issue cover date: April 1972
Front Matter
Articles
Open Letter to Science Teachers: Iowa Science, Engineering and Humanities Symposium
Ronald D. Townsend
Secondary Science Training Programs - Enrichment for the High School Student (1972)
Edward L. Pizzini
Entropy, the Universe and Man
Peter H. Sweedy
A Plan for a Temporary Insect-Killing Jar
William G. Bennett
Students for Environmental Awareness (S.E.A.): A New Concept
Charles Frederick
Back Matter
