Matching Pairs Rocks, Rocks EverywhereOnline version A matching game about rock types, their descriptions, and examples of them. by Megan Hill 1 2 Igneous rock 3 4 Metamorphic Rock 5 6 Sedimentary Rock Formed from layers and layers of sediment pressing together Example of a sedimentary rock Formed from magma from a volcano cooling Example of igneous rock forming Changed by high temperatures Example of a metamorphic rock with lots of foliation from heat and pressure.