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Peer reviewedWhitmer, John C.; Miller John A. – Science and Children, 1971
Descriptors: Art Activities, Elementary School Students, Force, Geometry
Philippines Univ., Quezon City. Inst. for Science and Mathematics Education Development. – 1984
With the high cost of gas and electricity, more people are turning to wood or charcoal for fuel. The ash that remains after the wood or charcoal has been thoroughly burned can be used to prepare lye. "Suman sa lihiya,""cuchinta," and soap can be made with the use of this lye. Procedures for making these materials as well as the…
Descriptors: Chemistry, Foreign Countries, High Schools, Laboratory Procedures
Philippines Univ., Quezon City. Inst. for Science and Mathematics Education Development. – 1984
This module provides instructions for clarifying cooking oil and using it with either wood ash lye or commercial lye to make laundry soap. It also provides (in appendices): a discussion of oils and soaps, including the history of soap; instructions for preparing an 18 percent lye solution; instructions for preparing soap using lye from wood ash;…
Descriptors: Chemistry, Foreign Countries, High Schools, Laboratory Procedures
Peer reviewedHarley, Suzanne M.; Rasmussen, Christine G. – American Biology Teacher, 1993
Describes procedures for identifying the protein ribonuclease from plant tissue extracts using mini-gel electrophoresis. (PR)
Descriptors: Biology, Biotechnology, College Science, Higher Education
Chemecology, 1992
Describes an activity in which students investigate the effects of selected natural and synthetic substances on the rate of apple browning. Includes background information for the teacher, a list of necessary materials, and student instructions. (KR)
Descriptors: Chemical Reactions, Cooperative Learning, Elementary Secondary Education, Instructional Materials
Kinsman, E. M. – Science Probe, 1992
Describes a method for identifying and examining single ice crystals by photographing a thin sheet of ice placed between two inexpensive polarizing filters. Suggests various natural and prepared sources for ice that promote students' insight into crystal structures, and yield colorful optical displays. Includes directions, precautions, and sample…
Descriptors: Crystallography, Enrichment Activities, Instructional Materials, Laboratory Procedures
Canipe, Stephen – 1984
Kudzu (Pueraria lobata) is a high climbing, exceedingly vigorous vine with twining stems (no tendrils or aerial holdfasts). The plant, introduced from the Orient and currently found in southeastern United States, has been known to choke valuable strands of trees, short electrical wires, and even creep up the sides of high rise buildings. Although…
Descriptors: Botany, Environmental Education, Laboratory Procedures, Learning Activities
Peer reviewedShimabukuro, Mary A.; Fearing, Vickie – Science and Children, 1993
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)
Descriptors: Elementary Education, Elementary School Science, Laboratory Procedures, Learning Activities
Weigel, Margaret – 1980
Designed to acquaint students in grades 4-9 with aquatic plants and animals, this guide provides materials which can be used in preparation for field trips or laboratory work, for individual projects, as supplemental activities for a unit, or for learning center projects. Teacher background notes and an answer key for the student activites are…
Descriptors: Class Activities, Ecology, Entomology, Experiential Learning
