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This document contains an earth science performance check on the physical properties of minerals. The student examined 5 rock samples to determine their properties like hardness, streak, and acid reaction. Tests included scratching samples against other materials like pottery, glass, and steel to rate hardness. Drops of acid were applied to see if any samples contained carbonate minerals, indicated by bubbling. The student documented their results and observations to analyze the properties of each rock and

Author

jnnpctng

Language

EN