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General ScienceDensity and Buoyancy
Density is a fundamental physical property of matter. This module introduces the concept of density,...
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Math in ScienceScientific Notation
The blue whale weighs approximately 190,000 kilograms, while a plankton weighs just 0.5 milligrams—a difference...
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Earth ScienceDefining Minerals
The study of minerals provides a window into the history of Earth and other planets...
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