Proposes an approach to school laboratory experiences which leads to gradual acquisition of inquiry skills based on the idea of advance organizers. Presents a design which is context familiar and can serve as an introduction to scientific inquiry. Discusses student achievement, and teacher and student attitudes. (CW)

Summarizes recent findings that help in understanding how evolution has brought about the diversity of plant life that presently exists. Discusses basic concepts of evolution, diversity and classification, the three-line hypothesis of plant evolution, the origin of fungi, and the geologic time table. Included are 31 references. (CW)

Considers six key concepts in human genetics in a question-and-answer format designed to help guide students to an understanding of the concept. Lists eight workshops in human genetics for high school biology teachers and four curriculum material packages on human genetics. (CW)

Described is a project designed to determine the kinds and types of science laboratories located in and around Yolo County, California. Summarized are some of the sites visited by the investigator and some of the impressions of those facilities. (CW)

Describes a method to produce 35mm color slides directly from the display screen of a computer terminal using techniques and equipment available to most teachers and researchers. Discusses the hardware and software needed, procedures, some of the problems encountered, and the potential uses of this method. (CW)

Described is an exercise which uses inexpensive and easy-to-make materials to demonstrate the basic fundamentals of heredity. Discusses two approaches using a hypothetical insert to demonstrate inheritance, mitosis, meiosis, and genotypic and phenotypic frequencies. (CW)

Described are the basic materials and procedures used to study defensive burying behavior and suggested laboratory projects. Discusses live targets, non-living targets, social variables, and previous experiences of the subjects. (CW)

Describes three criteria for evaluating educational software; classification of software types, the presence or absence of process skills, and educational practices. This article provides background for a software evaluation form to appear in a subsequent issue. (CW)

Discusses the importance of student questions as tools of instruction and as indicators of student misconceptions. Suggests different ways in which students may gain an understanding of biological concepts through discussion of popular movies and biological problems. (CW)

Describes the state-of-the-art in computer interfacing in the biology laboratory. Discusses hardware and software. Enumerates the educational benefits from instrumentation such as cost effectiveness and increased student opportunity and motivation. Includes 14 references. (CW)

Describes a fieldwork project in archaeology for teachers. Discusses one teacher's involvement in the Nevada program including field techniques and the development of a classroom lesson. Gives an address for obtaining information about the program. (CW)

Illustrates the basis for misleading statements about the relationship between pH and acid content in acid rain. Explains why pH cannot be used as a measure of acidity for rain or any other solution. Suggests that teachers present acidity and pH as two separate and distinct concepts. (RT)

Provides a description of and information about an individualized program in science at Central Community College. Reports on a study which compares lecture with individualized instruction. Concludes that there were no significant differences between heterogeneous groups, and there are advantages and disadvantages to each method. Diagrams and…

Describes a way to help students grasp intermediate steps in the movement and relationships of the various components involved in the addition of an amino acid to a nascent peptide chain. Includes drawings of the model in operation, construction details, and suggested shapes and labeling of components. (RT)

Describes an outdoor classroom curriculum project which was devised to accommodate students of average and below-average academic ability and provide them with practical horticultural experiences. Discusses funding, plant facilities, program, and resultant products. (RT)