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6th Science
Mineral and Rock Vocabulary
| Question | Answer |
|---|---|
| The ability to break along flat surfaces | Cleavage |
| A solid formed of one or more minerals | Rock |
| A special property where a rock glows under ultraviolet light | Fluorescence |
| Not formed of living things of the remains of living things | Inorganic |
| The color of a rock's powder | Streak |
| A scale that ranks from 1-10 a rock's hardness | Mohs Hardness Scale |
| This rock is formed from the cooling of lava or magma | Igneous |
| Rocks that have particles arranged in bands or layers | Foliated |
| This rock is formed from the remains of plants and animals pressed together with particles of other rocks | Sedimentary |
| The way a mineral reflects light | Luster |
| A solid in which the atoms are arranged in a repeating pattern | Crystal |
| The way a mineral's break looks when it has jagged edges | Fracture |
| The look and feel of a rock's surface | Texture |
| Rock formed when existing rock is changed by heat, pressure, or chemical reactions | Metamorphic rocks |
| This key characteristic of rocks is described as mass per unit of volume | Density |