| A | B |
|---|
| Rock | group of minerals bound together |
| Igneous | rocks formed by the cooling and hardening of magma |
| Sedimentary | rocks formed by compaction and cementing of layers of sediments |
| Metamorphic | rocks formed by the effect of heat and pressure on other rocks |
| Rock Cycle | repeated series of events by which rock gradually and continually changes |
| Felsic | light in color, thick, slow-moving magma |
| Mafic | dark in color, thin, more fluid type of magam |
| Cementation | process by which minerals precipitate out of solution to fill space and bind fragments together |
| Stratification | the arrangement of visible layers |
| Fossil | the remains, impression, or any other evidence of a plant or animal preserved in rock |
| Ripple Marks | sand patterns formed by the action of winds, streams, waves, or currents |
| Geodes | spheres of silica rock found in limestone that may be filled with crystals |
| Parent Rocks | Metamorphic rocks are formed from preexisting rock |
| Metamorphism | process by which a rock's structure is changed by pressure, heat, and moisture |
| Conglomerate | rock consisting of a cemented mix of rounded fragments |
| Sandstone | type of rock made of quartz sand grains |
| Shale | rock that is smooth, soft, and easily broken; composed of silt minerals |
| Quartzite | forms from it's parent rock, sandstone |
| Marble | forms from it's parent rock marble |
| Gneiss | forms from it's parent rock granite |
| Pumice |  |
| Obsidian |  |
