Gives description of sampling techniques used by a science class to gather water pollution data from a park pond. (CP)

Suggested classroom experiences emphasizing clean air as a limited resource. (CP)

Discussed is the possibility of solar energy as a solution to the energy crisis. (CP)

Describes technological benefits of the United States space program. Programs and sources of further information are given. Examples include computer technology, information sciences, meteorological satellites, weather prediction, communications and education. (JM)

A discussion of the strangeness quantum number is used to introduce the problem of discovering a universal law of weak interactions. Progress made in this area and some suggestions as to future developments are briefly described. (TS)

Considers the anti-Communist sentiments in the United States from the post-World War II period until the decline of Senator Joseph McCarthy in 1954, and suggests resource books and films useful for secondary school study of the attitudes of the period. (SW)

The key concerns for both long- and short-term control strategies for cultural eutrophication are: (1) controls which reflect the regional character of the problem, and (2) concern for the potential public health and environmental implications of the nonphosphate detergent formulations. (Author/CP)