This handy reference sheet will help to guide students to correctly identifying sedimentary, igneous, and metamorphic rocks. There are basic characteristics of the 3 types of rocks in the sheet.
There is also a Moh's hardness kit table on the sheet as well. For example, if the student's fingernail can scratch the rock, then by looking at the chart they would know the rock has a hardness of about 2.5.
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