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Science test
| Question | Answer |
|---|---|
| A ______ is a naturally occurring solid that can form by inorganic processes and that has a crystal structure an a definite chemical | Mineral |
| The repeating pattern of a minerals particles forms a solid called a ______ | Crystal |
| All minerals must be able to form by______ processes | Inorganic |
| All minerals must be able to form from ______ processes | Inorganic |
| What specifically makes a process inorganic ? | If they aren't a part of living materials |
| Only a few minerals have their own characteristic___ | Color |
| The ______ of a mineral is the color of its powder | Streak |
| ____ is the term used to describe how light is reflected from a minerals surface | Luster |
| Which is more useful the minerals color or minerals streak? | The streak |
| The _________is used to rank the hardness of minerals | MOHs hardness scale |
| ____ the softest mineral | Talc |
| _____ a fingernail cannot scratch it but a copper penny can | Calcite |
| _____ a steel knife can easily scratch it | Fluorite |
| _____it can't be scratched by a steel knife but can scratch window glass | Feldspar |
| ____it can scratch topaz | Corundum |
| What two features do geologists use to classify crystals? | A number of faces and the angles were the faces meet |
| A mineral that splits easily along flat surfaces is called____ | Cleavage |
| ____ describes how a mineral looks when it breaks apart in an irregular way | Fracture |
| How might u identify whether a mineral sample might be lodestone ? | It gets stuck to it like a magnet |
| A ____ is a rounded hollow rock | Geode |
| ______ is the process by which atoms are arranged | Crystallization |
| A____ is a mixture in which one substance is dissolved in another | Solution |
| A_____is a narrow channel or slab | Vien |
| ____is generally a light colored rock that is high silica content | Granite |
| ______ is a dark colored rock | Basalt |
| ______forms from the cooling of lava | |
| Most___ forms when small particles of rocks or the remain of plants or animals | Sedimentary rock |
| _______ forms when a rock is changed by heat or pressure | Metamorphic rock |
| to what group of rock does pumice belong? | Igneous rock |
| Igneous rocks are classified by their: | Origin texture and mineral composition |
| _____is igneous rock formed from lava that erupted onto earths surface | Extrusive rock |
| Igneous rock that formed when magma hardened beneath the surface of earth is called | Intrusive rock |
| What determines the color of granite? | It's mineral composition |
Created by:
jforet