Grades 6, 7 and 8 - Science - Middle School - Soil and Rocks — Flashcards | Middle School | FatSkills

Grades 6, 7 and 8 - Science - Middle School - Soil and Rocks — Flashcards

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The scientific study of rocks is called petrology, and petrology is an essential component of geology. Diamond is the hardest natural substance found on Earth.
 

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Which type of rock has been formed from hot liquid rock called magma?
Igneous
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