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Sneider, Cary; Bar, Varda; Kavanagh, Claudine – Astronomy Education Review, 2011
The video "A Private Universe" evokes surprise and dismay among educators and scientists by demonstrating that even the brightest students fail to grasp a seemingly simple and fundamental concept--the reason for seasons. This literature review describes the findings of 41 studies that collectively illustrate why the concept proves difficult to…
Descriptors: Astronomy, Science Education, Scientific Concepts, Misconceptions
Knowlton, Marie – Education of the Visually Handicapped, 1986
The article examines evidence of visual impairment caused by excessive amounts of ultraviolet (UV) light. Among considerations when using a source of UV light for vision stimulation are the position of the child and teacher, use of window glass filters or protective glasses, and careful recordkeeping of all UV stimulation. (Author/JW)[
Descriptors: Concept Teaching, Elementary Education, Eye Fixations, Light

Hargis, L. G.; Howell, J. A. – Analytical Chemistry, 1984
Reviews developments in ultraviolet and light absorption spectrometry from December 1981 through November 1983, focusing on the chemistry involved in developing suitable reagents, absorbing systems, and methods of determination, and on physical aspects of the procedures. Includes lists of spectrophotometric methods for metals, non-metals, and…
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education