Presented are the arguments of two different points of view on the mass extinction of the dinosaurs. Evidence of extraterrestrial impact theory and massive volcanic eruption theory are discussed. (CW)

Discusses the earth's biosphere, considering how the microbial, animal and plant life (which make up the biosphere) are sustained by the earth's lithosphere, hydrosphere, and atmosphere. Also considers how these three earth features have powerfully shaped the evolution of these organisms. (JN)

Provides an annotated bibliography of the 39 best science and technology books from 1993 in the areas of animal life, astronomy, biography, chemistry, earth science, environmental sciences, evolution, mathematics, medical sciences, natural history, paleontology, philosophy of science, physics, psychology, general science, and technology. Ethical…

The purpose of this curriculum guide is to help teachers implement the Alabama Course of Study: Science. The major emphasis of the guide is to provide student-oriented, hands-on activities that engage students in "sciencing" behaviors. This guide has two major components, the table of contents and the activities. The table of contents…

Discoveries in science and technology are being made at such a rapid pace that it is often difficult for many teachers to stay abreast of new and relevant information. To assist teachers in keeping their students well informed of new discoveries in science, Discover Magazine developed a 13-part video series entitled "Secrets of Science." In each…