| A | B |
|---|
| solid | shape and volume does not change |
| non-organic | not alive non living material |
| natural | not man made, found on the earth |
| chemical composition | the make up of the material |
| crystal | orderly internal arragement |
| streak | color of a line of powder |
| density | mass/volume g/cc |
| 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 |
| reactivity | how a substance reacts with other materials |
| double refraction | bending light to show two images |
