| A | B |
|---|
| sedimentary | formed by compacting, and cementing of non-igneous rocks that process at the Earths surface |
| igneous | comes from the latin word "ignis" |
| metamorphic | changed in form as a result of chemical reactions, heat, and or pressure |
| rock cycle | the interrelated processes that cause the continuous changing of rocks |
| sediment | particals of a rock or organic materials that have been carried along and deposited by water and or wind |
| extrusive rocks | an igneous rockformed from lava and crystallized at the surface of the Earth |
| instrusive rocks | an igneous rock formed from magma |
| metamorphism | the changing of one type of rock into another as a result of heat, pressure or chemicals reactions |
| conglomerate | when over a third of the rock is made of pebbles |
| organic rocks | a sedimentary rock that is formed either directly or indirectly from material that was once alive |
| chemical rocks | a non-clastic sedimentary rock formed by inorganic process such as evaporation |
| clastic rocks | a sedimentary rock formed from fragments of previously existing rocks |
