| A | B |
|---|
| mineral | crystals that are the building blocks of rocks |
| Moh's Scale | the chart that is used to rate the hardness of minerals |
| rocks | hard substances made of minerals |
| granite | a rock that is made up of feldspar, biotite, muscovite, and quartz |
| scratch test | scratching minerals with other minerals or objects to test hardness |
| diamond | the hardest mineral |
| talc | the softest mineral and used in baby powder |
| aluminum | mineral that is used for foil and pans |
| copper | mineral that is used for wires and pennies |
| graphite | mineral that is used to make lead for pencils |
| fluoride | mineral found in toothpaste |
| calcite | mineral found in chalk |
