Section 5.1 "Inside Earth"
|texture||The look and feel of a rock's surface.|
|grain||A particle of mineral of other rock that gives a rock its texture.|
|igneous rock||A type of rock that forms from the cooling of molten rock at or below the surface.|
|sedimentary rock||A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together.|
|metamorphic rock||A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions.|