The causes for many of the colors exhibited by minerals are presented to students. Several theories of modern physics are introduced. The nature of light, the manner in which light interacts with matter, atomic theory, and crystal structure are all discussed in relation to the origin of color in minerals. Included are color pictures of many…

Discussed are the importance of soil to plant and animal life, the evolution of a soil profile, and the major kinds of soil in the United States. On a suggested field trip, students examine different kinds of soil profiles; they also measure soil acidity and water-holding capacity. Suggestions for further study are provided along with references…

Attention is directed to processes going on in lakes which are not apparent to the observer of their scenic beauty. Explored are the lifetime of lakes, how lakes are formed, elements of a field trip to a lake, and influence of human activities on lakes. Sample post-field trip questions, references, and a glossary of terms are also included. (RE)

INCLUDED ARE SELECTED ARTICLES FROM "SCIENCE AND CHILDREN" COVERING THE PERIOD SEPTEMBER 1963 THROUGH MAY 1966. THE SELECTION CRITERIA WERE THAT THE ARTICLES (1) PRESENT MATERIAL WHICH IS CONSISTENT WITH ACCEPTED PHILOSOPHY AND PRACTICES AND WITH THE LATEST TRENDS IN SCIENCE EDUCATION, AND (2) PROVIDE USABLE MATERIAL FOR CLASSROOM TEACHERS,…

THIS IS THE FOURTH IN A SERIES OF GENERAL BIBLIOGRAPHIES WHICH ARE BEING DEVELOPED TO DISSEMINATE INFORMATION CONCERNING DOCUMENTS ANALYZED AT THE ERIC INFORMATION ANALYSIS CENTER FOR SCIENCE EDUCATION. REPORTED ARE OVER 350 CITATIONS TO SELECTED DOCUMENTS ON CURRICULUM AND CURRICULUM DEVELOPMENT IN SCIENCE EDUCATION. THE DOCUMENTS INCLUDED…