Vocabulary
rock, igneous, sedimentary, metamorphic, mineral, magma, crust, mantle, earthquake, intrusive, extrusive, granite, peridotite, gabbro, scoria, basalt, pumice, obsidian, rhyolite, diorite, sediment, cement, sandstone, breccia, siltstone, shale, silt, cobbles, sand, clay, organic, limestone, bituminous coal, gneiss, amphibolite, anthracite coal, marble, metaconglomerate, slate, quartzite, rock cycle, geologists, geological processes, igneous rock, sedimentary rock, metamorphic rock, extrusive, intrusive, lava, magma, weathering, erosion, crystals, crust, mantle, organic material, debris, sediments, atmosphere, biosphere, geosphere, hydrosphere, volcanic activity, igneous metamorphic and sedimentary rocks, ,