Discusses botanical illustrations, including herbals, printed books, flowers, British botany, printing advances, and art and science. (23 references) (MKR)

Described is an experiment designed to illustrate photosynthesis. The experiment is based on a classic experiment performed by vanHelmont in the sixteenth century. A list of materials, procedures, and concepts are discussed. Variations are suggested. (CW)

The construction of a hydroponic system for use in the classroom is described. Provided are construction details, a list of materials with approximate cost, a diagram of the setup, and a sample test. Several activities are suggested. (CW)

A demonstration that can be used to illustrate diffusion and osmosis is presented. Discussed are materials, procedures, and an explanation for the effect. (CW)

Presented is an activity that may be used to help students clarify the basics of graphing while allowing individuals to collect data and perform a simple experiment. A timetable, rules for graphing, materials, procedures, and suggestions for extension activities are provided. (CW)

Background information on the methods and varieties used to demonstrate the cultivation of plants without the use of chemical pesticides is provided. Discussed are species and variety selection, growing plants from seed and from seedlings, soil preparation, using cuttings, useful crops, and pest control. (CW)

Ethnobotany is the scientific investigation of plant use by indigenous cultures for food, medicine, pesticides, and other purposes. Discusses the significance of ethnobotany and provides resources and laboratory activities suitable for use in biology and botany courses at the high school and college levels. (MDH)

Reviewed are some of the techniques being used in plant biotechnology laboratories. Described are tissue culture and genetic manipulation. Advantages and disadvantages of this approach and ethics and public concern issues are discussed. (CW)

This booklet, one of six in the Living Things Science series, presents activities about ecosystems which address basic "Benchmarks" suggested by the American Association for the Advancement of Science for the Living Environment for grades 3-5. Contents include background information, vocabulary (in English and Spanish), materials,…

This hands-on science unit includes a beginners' and an advanced activity involving tree sap, as well as a brief description of a maple sap harvest. (CB)

Uses diagrams to aid in describing a simple, rapid technique for staining the nuclei of pollen grains that have been germinated in vitro. (ZWH)

This booklet, one of six in the Living Things Science series, presents activities about cells which address basic "Benchmarks" suggested by the American Association for the Advancement of Science for the Living Environment for grades 3-5. Contents include background information, vocabulary (in English and Spanish), materials, procedures,…

This booklet, one of six in the Living Things Science series, presents activities about diversity and classification of living things which address basic "Benchmarks" suggested by the American Association for the Advancement of Science for the Living Environment for grades 3-5. Contents include background information, vocabulary (in…

Suggests ways to overcome the perception by some people that plants are less understood and interesting than invertebrates or vertebrates. Describes the specialization of reproductive systems and the development of plant-animal interactions to help raise the awareness level of the fossil record of plants. (RT)

Uses diagrams and text to describe four activities involving trees designed to aid students in better understanding responses to seasonal changes (ZWH)