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1-3 lessons
| Question | Answer |
|---|---|
| Mineral | A naturally occurring, Inorganic solid that has a crystal structure and a definite chemical composition. |
| inorganic | Not formed from living things or the remains of living things. |
| crystal | A solid in which the atoms are arranged in a pattern that repeats again and again. |
| streak | The color of a minerals powder. |
| luster | The way a mineral reflects light from its surface. |
| Mohs Hardness Scale | A scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals. |
| Cleavage | A minerals ability to split easily along flat surfaces. |
| fracture | 1. The way a mineral looks when it breaks apart in an irregular way. 2. A break in a bone. |
| geode | A hollow rock inside which mineral crystals have grown. |
| crystallization | The process by which atoms are arranged to form a material with a crystal structure. |
| solution | A mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance is dissolved in another. |
| vein | A Narrow deposit of a mineral that is sharply different from the surrounding rock. 2. A blood vessel that carries blood back to the heart. |
| Rock-forming mineral | Any common minerals that make up most of the rocks of Earths crust. |
| Granite | A usually light- colored igneous rock that is found in continental crust. |
| Basalt | A dark,dense,igneous rock with a fine texture, found in oceanic crust. |
| Grain | The particles of minerals or other rocks that give a rock its texture. |
| Texture | The look and feel of a rocks surface, determine by the size, shape, and pattern of a rock's grains. |
| Igneous Rock | A type of rock that forms from the cooling of a molten rock at or below the surface. |
| Metamorphic Rock | A type of rock that is changed by heat, pressure, or chemical reactions. |
| Extrusive rock | Igneous rock that from lava on Earth's surface. |
| Intrusive rock | Igneous rock that forms when magma hardens beneath Earths surface. |
| sedimentary rock | A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented. |