| A | B |
|---|
| Weathering | process of breaking rock into sediment |
| Erosion | process of moving sediment from one place to another |
| Deposition | process of dropping sediment in a new location |
| Mineral | non-living substance made of one or more elements that occurs in nature |
| Streak | mark a mineral leaves on an unglazed tile, powdered form |
| Luster | way a mineral reflects light |
| Hardness | mineral's ability to scratch or be scratched |
| Density | specific gravity |
| Cleavage | mineral breaks along flat surfaces |
| Fracture | mineral breaks along uneven or curved surfaces |
| Magnetism | ability to act like or be attracted to a magnet |
| Rocks | solid materials made of one or more minerals |
| Igneous Rock | rock made when magma or lava cools and hardens |
| Sedimentary Rock | rock made when pieces of rock are pressed together |
| Metamorphic Rock | rock made from extreme heat and pressure |
| Rock Cycle | process of one type of rock becoming another type of rock |
| actual remains | complete organism is preserved |
| imprint fossil | outline or impression left by an organism |
| changed hard parts | organism is petrified or turned to stone |
| mold fossil | plant or animal covered by sediment, then decays. leaves a shape behind |
| cast fossil | minerals fill in a mold |
| fossil | remains or traces of past life |
| index fossil | used to determine the age of rock |
