| __ | 1. | Cleavage | | A. | Molten rock material within earth that forms igneous rock |
| __ | 2. | Crystal | | B. | Ratio of mineral's weight to weight of equal volume of water |
| __ | 3. | Fracture | | C. | General appearance of a freshly broken surface of a mineral |
| __ | 4. | Hardness | | D. | Contain Si and O and one or more other elements |
| __ | 5. | Luster | | E. | Color of a mineral in powdered form |
| __ | 6. | Magma | | F. | Solid, homogeneous, crystalline chemical element or compound |
| __ | 7. | Minerals | | G. | Solid with atoms arranged in orderly, repeating patterns |
| __ | 8. | Silicates | | H. | The way a mineral reflects light |
| __ | 9. | Specific Gravity | | I. | How easily a mineral can be scratched |
| __ | 10. | Streak | | J. | quality of crystals or rocks splitting along definite planes |