Describes and suggests the use of a problem-solving model that improves communication between student teachers and supervisors through the student teaching practicum. The aim of the model is to promote experimentation with various teaching techniques and to stimulate thinking among student teachers about their teaching experiences. (PR)

Surveyed 232 college students in an introductory biology course on their attitudes and perceptions on aspects of biology that they should have covered in high school science. Results indicated majority of students felt very or somewhat familiar with the topics covered in the survey. A sizable majority of students were only somewhat familiar with…

Describes using a local college for the teaching of the recommended Advance Placement laboratories as a way to increase greatly needed course time and to increase the amount of equipment available. (PR)

Describes exercises to examine the global carbon cycle. Students are asked to predict consequences of increased carbon dioxide emissions into the atmosphere and to suggest ways to mitigate problems associated with these higher levels of atmospheric carbon dioxide. A comparison modeling exercise examines some of the variables related to the success…

Describes the construction of a wave generator used to review the algebraic relationships of wave motion. Students calculate and measure the weight needed to create tension to generate standing waves at the first eight harmonics. (MDH)

Garlic is an ideal plant for the elementary classroom. It grows rapidly in water without aeration for several weeks and remains relatively free of microbial contamination. Simple experiments with garlic purchased at grocery stores can illustrate various aspects of plant growth. (PR)

Describes the construction of a variety of inexpensive, escape-proof, and safe insect homes--each complete with window, ventilation screen, and cover--so students can observe firsthand the intriguing world of insects. (PR)

Biotechnology has arrived in the supermarket in the form of genetically engineered enzymes. Presents an activity in which students explore the presence of protease enzymes in laundry detergents. (MDH)

Describes hands-on physical anthropology activities for teaching students about evolution. Using evidence found in hominid skulls, students conduct investigations that involve calculating ratios. Eight full-page photographs of skulls from the program Stones and Bones are included. (PR)

Describes children's books, songs, and innovative activities for introducing students to paleontology and skeletal structures. (PR)

Presents a laboratory experiment designed to help students understand the concept of diastolic blood pressure, the pressure during which the left ventricle of the heart is not contracting. Examines the effect of strenuous exercise on blood pressure. Includes materials needed, procedures, results, and discussion of the results. (MDH)

Presents a series of exercises to help students understand the importance of the limits of taxonomic keys and to identify the appropriate levels. Introductory activities include having students classify screws, "gummy bears," and beans. (PR)

Considers topics about cell function often misunderstood, misrepresented, or omitted from biology textbooks: enzyme catalyzed reactions; RNA as a catalyst; protein levels in cells; amino acids; organic acids; glucose and fructose; gluconeogenesis; fatty acids and ketone bodies; diffusion; and transport across membranes. (Contains 25 references.)…

Outlines 11 rules of critical thinking and offers suggestions of teaching them in biology and environmental science classrooms. (MDH)

Describes an approach to teaching the scientific method where an outbreak of cholera within the school is simulated. Students act like epidemiologists in an attempt to track down the source of the contamination. (PR)