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Comets
Grades: 6 to 12, Undergraduate to GraduateSubjects: States of Matter (solids, liquids, gases), Earth's Resources, Chemistry, Science and 3 additional..This poster shows images of comets Hale-Bopp and Shoemaker-Levy 9. The accompanying text describes possible source regions for c...Views: 0Favorites: 0Formation of the Solar System
Grades: 9 to 12, Undergraduate to GraduateSubjects: States of Matter (solids, liquids, gases), Earth's Resources, Force & Motion, Chemistry and 4 additional..This chapter from an online astronomy course briefly describes the formation of the solar system from an accretionary disk. Link...Views: 0Favorites: 0Black Carbon
Grades: PS/Pre-K to 12Subjects: States of Matter (solids, liquids, gases), Earth's Resources, Life Sciences, Chemistry and 12 additional..Black carbon, composed of tiny particles of soot, is produced whenever organic substances like fossil fuels, firewood or coal is...Contributor: Changing Planet - NBC Learn (NSDL Collection)Views: 0Favorites: 0
