| A | B |
|---|
| rock cycle | model of processes that creat and change rocks |
| cementation | natural processes bond sediments together |
| magma | molten rock below ground |
| lava | molten rock above ground |
| igneous | rocks from cooled magma |
| metamorphic | rocks changed with heat/pressure |
| sedimentary | pressed pieces of other rocks bonded |
| compaction | layers are pressed by weight of other layers |
| Moh's | scale of comparison of hardness |
| silicate | most common mineral on Earth |
| cleavage | breaking on planes to form smooth surfaces |
| intrusive | rocks formed under surface of Earth |
| extrusive | rocks formed above surface of Earth |
| foliated | minerals line up in parallel lines |
| nonfoliated | contain no layers |
| rock | mixture of minerals |
| large | size of crystals cooled slowly |
| granite and obsidian | igneous rocks |
| sandstone and limestone | sedimentary rocks |
| gneiss and slate | metamorphic rocks |
| mineral characteristics | solid, natural, crystal, inorganic, composition |
| hardness of fingernail | 2.5 |
| hardness of penny | 4.25 |
| streak | color of powdered mineral |
