| A | B |
|---|
| mineral | natural nonliving, solid matrial that has particles arranged in a repeating pattern |
| rock | made up of one or more minerals |
| sedimentary rock | formed from squeezing together of deposited sediment |
| rock cycle | repeating of changes from one kind of rock to another over time, (1000s of years) |
| metamorphic rock | rock changed by heat and pressure, formed from other rocks |
| igneous rock | melted rock that has cooled and hardened |
| streak | the color of the powder left behind when you rub a mineral on a white porcelian plate |
| luster | mineral property that describes the way the light reflects from the minerals surface |
| hardness | minerals ability to resist being scratched |
| mohs' scale | used to idsentify a minerals hardnes |
| diamond | hardest on mohs' hardness scale |
| crystals | paarticles in minerals that form regular patterns |
