| A | B |
| rocks - | a hard substance composed of one or more minerals or minerallike substence. |
| sedimentary - | formed by the compacting and cementhig of sediments or by other non-igneous processe at the Earth's surface |
| sediments - | particles of rock or organic materials that have been caried along and deposited by water and/ or wind. |
| metamorphic - | changed in form as a result of chemical reactions, heat,and / or pressure. |
| rock cycle - | the interrelated proceese that cause the continous changing of rocks from one kind to another. |
| extrusive rocks - | an igneous rock formed from lava and crystallized at the surface of the Earth. |
| intrusive rocks - | an igeous rock formed from maga. |
| metamorphism - | the processe in which metamorphic rock is formed. |