Sedimentary Rocks-form from layered particles of weathered rock and minerals. (3,4,5, and 6) --Can see layers --May find fossils Sedimentary Rocks-form from layered particles of weathered rock and minerals. (3,4,5, and 6) --Can see layers --May find fossils Igneous Rocks-form from magma (hot rock underground) or form from lava during volcanic eruptions. (1, 7, 8, and 9) --Often have crystals Igneous Rocks-form from magma (hot rock underground) or form from lava during volcanic eruptions. (1, 7, 8, and 9) --Often have crystals Metamorphic Rocks-either sedimentary or igneous rocks that have been changed by heat and pressure. (2, 10, 11, and 12) --Twist layers in sedimentary rock --Can reform crystals in igneous rocks Metamorphic Rocks-either sedimentary or igneous rocks that have been changed by heat and pressure. (2, 10, 11, and 12) --Twist layers in sedimentary rock --Can reform crystals in igneous rocks Sedimentary Rocks-form from layered particles of weathered rock and minerals. (3,4,5, and 6) --Can see layers --May find fossils Sedimentary Rocks-form from layered particles of weathered rock and minerals. (3,4,5, and 6) --Can see layers --May find fossils Igneous Rocks-form from magma (hot rock underground) or form from lava during volcanic eruptions. (1, 7, 8, and 9) --Often have crystals Igneous Rocks-form from magma (hot rock underground) or form from lava during volcanic eruptions. (1, 7, 8, and 9) --Often have crystals Metamorphic Rocks-either sedimentary or igneous rocks that have been changed by heat and pressure. (2, 10, 11, and 12) --Twist layers in sedimentary rock --Can reform crystals in igneous rocks Metamorphic Rocks-either sedimentary or igneous rocks that have been changed by heat and pressure. (2, 10, 11, and 12) --Twist layers in sedimentary rock --Can reform crystals in igneous rocks Sedimentary Rocks-form from layered particles of weathered rock and minerals. (3,4,5, and 6) --Can see layers --May find fossils Sedimentary Rocks-form from layered particles of weathered rock and minerals. (3,4,5, and 6) --Can see layers --May find fossils Igneous Rocks-form from magma (hot rock underground) or form from lava during volcanic eruptions. (1, 7, 8, and 9) --Often have crystals Igneous Rocks-form from magma (hot rock underground) or form from lava during volcanic eruptions. (1, 7, 8, and 9) --Often have crystals Metamorphic Rocks-either sedimentary or igneous rocks that have been changed by heat and pressure. (2, 10, 11, and 12) --Twist layers in sedimentary rock --Can reform crystals in igneous rocks Metamorphic Rocks-either sedimentary or igneous rocks that have been changed by heat and pressure. (2, 10, 11, and 12) --Twist layers in sedimentary rock --Can reform crystals in igneous rocks