Provides a basic introduction to fluorescence enabling the amateur scientist to easily, and safely, demonstrate and photograph this phenomenon with the aid of an ultraviolet lamp. Includes a list of necessary equipment and materials, as well as catalog availability from several hardware suppliers. (JJK)

Sunlight (solar radiation) provides many beneficial contributions to mankind, including warmth and energy, vision and photoresponses, photosynthesis, and vitamin D synthesis. Along with these positive benefits attributed to solar radiation, there are also adverse effects. A particular adverse effect of current interest and concern which is…

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide presents activities…

This ninth grade student manual was developed to be used in conjunction with some of the experimental science activities described in the teacher's guide. It contains laboratory worksheets for: (1) measurement; (2) basic energy concepts; (3) heat energy; (4) light; (5) sound; (6) electricity; and (7) present and future energy resources. Additional…