Suggests that educated persons should be exposed to a body of conceptual knowledge which includes basic principles of the biological and physical sciences. Practical examples involving force, sound, light, waves, and density of water are cited. A lesson on animal tracks using principles of force and pressure is also described. (DH)

Describes Nature-in-the-City (an environmental awareness program) materials and their use by students in the urban environment. The materials include an adventure guide (the teacher's manual) and set of four colorful season cards with activities for students. (JN)