Describes a 27-hour abstinence from food undertaken by teachers and students at Charlotte Junior-Senior High School in Rochester, New York. This experience included discussions and lectures about the world food crisis, and concluded with a meal composed of the types of food typically eaten by the world's poor. (MLH)

Analyzes some of the possible causes for the low popularity of high school physics, including tough grading practices, the fact that physics is required more often than it is elected, the practice of teaching physics by lectures, and the lack of a methodology in teaching abstract concepts. (MLH)

Reports that, according to a survey conducted by the National Assessment of Educational Progress (NAEP), knowledge of fundamental scientific facts and principles declined among young American students between 1969 and 1973. Also discusses the philosophy and goals of NAEP, and the methodology used in this survey. (MLH) Aspect of National Assessment…

Describes the initially ignored research performed in 1900 by Archibald Garrod concerning the link between heredity and biochemical reactions. (MLH)

Describes an independent study activity designed for secondary students, in which the students researched the desirability of funding the construction of a sea-level canal through Nicaragua by assuming the roles of the scientific specialists who would be involved in such a project. (MLH)

A secondary geology class used Eratosthenes' method for measuring the circumference of the earth by comparing their measurements of the shadow of a vertical rod to the measurements made by another person contacted by ham radio. (MLH)

Describes a demonstration designed to teach chemistry definitions. Important chemical terms which specifically related to the demonstration were defined on handouts and distributed to the students for reference during the demonstration. (MLH)

Describes various threats to the stability of the ozone layer of the atmosphere, including freons emitted from aerosol cans, combustion products from jet aircraft engines, and nuclear explosions in the atmosphere. (MLH)

Presents a series of brief notes about chemistry teaching awards, new scientific publications and teaching aids, and opportunities to teach abroad. (MLH)

Comments on events, materials, and publications of interest to teachers. (RH)

Describes several outdoor activities that develop students' sensory awareness of their natural surroundings. (LS)

Describes a lesson that utilized inquiry to teach the students a scientific concept and to emphasize the fact that they shouldn't jump to conclusions. (LS)

Gives guidelines for initiating science projects and encourages students to enter them in science fairs to instill confidence in their accomplishments. (LS)

Incorporates some ideas from a book by Galileo into a problem-solving format that challenges students. (LS)