The Rock Cycle 1) Rocks are classified into metamorphic, igneous, or sedimentary categóries based on how they. 2) What 2 forces drive the rock cycle? 3) Extrusive rocks cool [quickly or slowly?1 [above ground or underground?], producing [large or small?] crystals and [fine or coarse?] grains. 4) Intrusive rocks cool [quickly or slowly?] [above ground or underground?], producing [large or small?] crystals and [fine or coarse?] grains. 5) Put these processes in order to show how igneous rock is changed into sedimentary rock: Cementation, Deposition, Erosion, Weathering, Compaction. and 1. 2. 3. 4. 5.

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