| A | B |
| solids | Minerals are __________ found in nature that have specific forms, structures, and features. |
| luster | When you describe a mineral as being shiny or dull, you are talking about its ___________. |
| denser | Galena is almost three times as heavy as quart, so it is ______________. |
| streak | A reliable way to test and identify a mineral is to look at its _______________. |
| fracture | ________ is when a mineral breaks leaving a rounded or irregular surface. |
| scratched | A mineral's hardness is its ability to resist being _____________. |
| cleavage | _____________ is when a mineral breaks living a flat surface. |
| solid | It is a substance that has a definite shape and definite volume. |
| hardness | It is the mineral's ability to resist being scratched. |
| element | It is a substance that is made up of only one kind of atom. |
| compound | It is a new substance formed when atoms of two or more elements bond. |
| minerals | _________ are created and found in soil, in rocks, in seashells, or deep in the earth. |
| different | A mineral's streak color can be ____________ than its surface color. |