| A | B |
| rock | a naturally occurring solid mixture of 1 or more minerals or organic matter |
| rock cycle | the series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes |
| erosion | the process by which wind, water, ice, or gravity transports soil and sediment from one location to another |
| deposition | the process in which material is laid down |
| composition | the chemical makeup of a rock |
| texture | the quality of a rock that is based on the sizes, shapes, and positions of the rock's grains |
| intrusive igneous rock | rock formed from cooling and solidification of magma beneath the Earth;s surface |
| extrusive igneous rock | rock that forms as a result of volcanic activity at or near the Earth's surface |
| strata | layers of rock |
| stratification | the process in which sedimentary rocks are arranged in layers |
| foliated | the texture of metamorphic rock in which the mineral grains are arranged in planes or bands |
| nonfoliated | the texture of metamorphic rock in which the mineral grains are not arranged in planes or bands |