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	+ NASA Home + NASA Education Home   Choose another category:   + For Educators K-4 + For Educators 5-8 + For Educators 9-12 + For Educators Post Secondary + For Informal Educators		+ NASA Home > For Educators > NASA Educational Materials > Browse Educational Materials by Subject         Cleaning Water Activity -- Grades 3-5 This lesson challenges students to create and test a water filtering system.     Investigating the Climate System - Clouds Study cloud formation and their characteristics in this module for 5-8. + View     Investigating the Climate System - Energy Explore Earth temperatures and what affects them in this module for 9-12. + View     Investigating the Climate System - Precipitation This 5-8 module explores the study of rainfall. + View     Investigating the Climate System - Weather This is an activity designed to be used at the end of a unit on weather for 5-8. + View     Investigating the Climate System - Winds Study the ocean winds in this module for 5-8. + View
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