Instructions are given for constructing two models, one to illustrate the general principles of symmetry in T=1, T=3, and T=4 viruses, and the other to illustrate the disposition of protein subunits in the T=3 plant viruses and the picornaviruses. (Author/CW)

Provides instructions and diagrams for making a life-sized morpho butterfly to wear on the finger and a paper bromeliad. Includes a pattern for copying. (RT)

Lichenometry is described for use in the study of biology and physical weathering. Discussed are lichens in general and an outline for studying growth and ecology. A problem solving format is used. (CW)

Presents a method of constructing short range transmitters suitable for sensing the temperature in eggs, nest cavities or other applications. Provides a list of materials, circuit diagram, and assembly instructions. (CW)

Describes the use of a microwave oven in the biology laboratory as a safe, time-saving device. Discusses media preparation, dehydration of media and specimens, and reagent testing. (CW)

Presents an experiment to demonstrate the degree to which environmental cations are taken up by susceptible lichen organisms in the field. Discusses the preparation of materials, procedures and typical results for this short laboratory exercise. (CW)

Describes a procedure for the growth of tobacco plants in flasks. Demonstrates plant tissue culture manipulation, totipotency, and plant regeneration in approximately 12 weeks. Discusses methods, materials, and expected results. (CW)

This is the Teacher's Guide for six video programs: "Introduction to Ecosystems"; "Tundra"; "Coastal Forest"; "Oceans"; "Impact of Human Habitation"; and "Taiga". The programs are designed to fit into courses for students from grades five through high school in which ecology is taught.…

This unit, one of a series designed to develop and foster an understanding of the marine environment, presents marine science activities for second grade students. The unit, focusing on awareness of living/non-living factors shaping life of the sea, is divided into sections dealing with: physical characteristics of oceans; fish; sea anemone;…

Science Unlimited (Pennsylvania Department of Education's elementary science effort) has developed a series of television programs for use in the primary and intermediate grades. These television programs form an integral part of science lessons which emphasize direct involvement of children with materials and ideas, provide for individual and…

This is the teacher's guide for Ciencias 1, the first in a series of science books designed for Portuguese-speaking students in elementary schools. The guide contains materials corresponding to the student's book. Included are five sections comprised of 43 lessons. The teacher's guide also contains lesson objectives, suggestions for lesson…

This teaching guide contains materials corresponding to those found in the nine sections of the grade 3 elementary science textbook. It also contains lesson objectives, instructional strategies, classroom activities, and evaluation methods. Among the topic areas found in the nine sections are: (1) solar energy, electricity, and light; (2) solar…

This unit in fish biology is suitable for kindergarten through sixth grade. Provided in the unit are: (1) behavioral objectives for grades K-3 and 4-6; (2) an overview of activities and instructional strategies; (3) background information on fishes; (4) diagrams of internal/external fish structure; (5) list of key vocabulary words; (6) discussion…

Presented is a workshop guide for planetarium educators. Seven modules and four appendices focus on organizational patterns, learning theories, questioning strategies, activities for the planetarium, and incorporating all of the above into teaching. The four appendices include a list of the 1978 workshop participants, an annotated bibliography for…

Describes the procedures used to demonstrate transpiration with the common sunflower. Discusses the results expected from such an activity. Provided is a sample data sheet. (CW)