Describes an approach to teaching animal classification by applying a scientific examination of the types and arrangement of the teeth. This approach may be used by high school students. (HM)

Describes science activities used in an eighth grade class such as metric measurement exercises, classification problems, experiments with batteries and bulbs and a series of activities concerning chemical reactions. (BR)

Discusses how linguists determine relationships of languages and group them into a family. Presents a crossword puzzle as a student activity, suitable for science and other classes, to determine the Indo-European roots of English words by a comparative method. (SK)

Describes an inexpensive technique for providing student opportunities to observe and identify the variety of small animals living in the first few inches below the surface of the soil. A classification key to some small soil animals is also presented. (HM)

Describes an activity for studying weeds in grades four through nine. "Wanted" posters are prepared with the scientific name of a common weed and a few identifying features. Students find the plant, give it an "alias" or common name, and then draw the "wanted" picture. Presents six wanted posters and describes expansion lessons and follow-up…

Discussed are the advantages and processes of making collections with children. An activity for making a classroom collection (herbarium folios) is described and includes materials and procedures. The processes of collecting and classifying are stressed. (CW)