| A | B |
|---|
| solid | shape and volume does not change |
| natural | not man made, found on the earth |
| chemical composition | the make up of the material |
| streak | color of a line of powder |
| luster | how light reflects off a substance |
| cleavage | break with a flat surface |
| fracture | break with a pattern |
| hardness | how difficult it is to scratch |
| igneous | made from FIRE |
| sedimentary | made from sand |
| metamorphic | changed by HEAT and PRESSURE |
