click below
click below
Normal Size Small Size show me how
Rocks And Minerals
science definitions
Term | Definition |
---|---|
ROCK | a solid material made up of minerals . |
LAVA | melted rock above the earth's surface |
MAGMA | melted rock beneath the earths surface |
BASALT | example of igneous rock |
SEDIMENTS | tiny pieces of rock |
SLATE | example of metamorphic rock |
LIMESTONE | example of sedimentary rock |
IGNEOUS | a rock that forms when melted rock cools and hardens |
SEDIMENTARY | rocks that form from sediments |
METAMORPHIC | rocks that form under pressure and hear within the earth |
COMPACTION | presses sediments together |
CEMENTATION | causes sediments to stick together |
CRYSTALS | the factor that provides the easiest way to identify igneous rocks |
LUSTER | the property that identifies minerals by the way in which they reflect light |
FRACTURE | the property that identifies minerals by the way in which they break |
HARDNESS | the property that identifies minerals by how much they can resist being scratched |