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1997. Thomas Kardos. Cause a tornado, recreate glacial erosion, form a stalactite, build a telescope, stage a solar eclipse—and more—right in your classroom! With these easy-to-present demonstrations, you can show the hows and whys of fascinating natural phenomena. You get background information, teaching suggestions, materials, lists, and clearly outlined procedures. The indexed book also includes ample illustrations, safety guidelines, and timesaving appendices of astronomical data, temperature and unit conversions, and other useful information. 100 pages, soft cover. Grades 6-12.