| A | B |
|---|
| rock | a solid mixture of crystals of one or more minerals or other materials |
| rock cycle | the process by which one rock type changes into another rock type |
| magma | the hot liquid that forms when rock partially or completely melts; may include mineral cyrstals |
| sedimentary rock | rock that forms when sediments are compacted and cemented together |
| metamorphic rock | rock that forms when the texture and composition or preexisting rock changes due to heat and pressure |
| igneous rock | rock that forms form the cooling of magma |
| compostion | the makeup of a rock; describes either the minerals or elements present in it |
| texture | the sizes, shapes, and postitons of teh grains that a rock is made of |
| intrusive | the type of igneous rock that forms when magma cools and solidifies beneath earths surface |
| extrusive | the type of igneous rock that forms when lava or pyroclastic material cools and solidifies on the earths surface |
| strata | layers of sedimentary rock that form from teh deposistion of sediment |
| stratification | the layering of sedimentary rock |
| nonfoliated | the texture if metamorphic rock in which mineral grains show to alignment |
