Invisible World (National Geographic) Worksheet Movie Summary: Each moment events take place that the human eye cannot perceive because these occurrences are too small, too large, too fast, too slow, or beyond the spectrum of visible light. Entire worlds might escape our inspection if it were not for some... (more details for Invisible World (National Geographic)*)

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File #1093 Info: Created by Jordana Thompson on April 12, 2010 using Minnesota State standards for students at a grade 9-10 level.

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