| A | B |
| mineral | is naturally occurring, inorganic, has definite crystalline structure, and definite composition |
| rock | mixture of one or more types of minerals |
| igneous rock | rock that formed as molten material cooled |
| intrusive igneous rock | rock formed by magma that cools below Earth's surface |
| extrusive igneous rock | rock formed by lava that cools on Earth's surface |
| sediments | small particles of mud, sand, or rock caused by rock weathering or erosion |
| erosion | the wearing away of land surfaces |
| weathering | the breakup of rocks from chemical reaction or mechanical agents |
| sedimentary rock | rock formed when particles recombine into a new solid |
| detrital sedimentary rock | rock made of rock fragments which are compacted or cemented together |
| compaction | sediments compress and form rock |
| cementation | crystallization of minerals cements sediments together |
| chemical sedimentary rock | rock formed from dissolved minerals that become concentrated when water evaporates |
| organic sedimentary rock | rock formed by cementation from the remains of animals or plants |
| metamorphic rock | rock formed when rock is changed by heat and/or pressure |
| foliated | texture of metamorphic rock whose moineral grains are in parallel bands |
| non-foliated | texture of metamorphic rock not in parallel bands |
| rock cycle | process by which materials of Earth change to form different kinds of rocks |
| fossils | the remains, impressions, or other evidence of the existance of plants and animals preserved in rock |