Chap 5, 6 Word Scramble
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| Question | Answer |
| What is a mineral? | Solid, naturally occurring, inorganic, fixed composition, crystal structure (SNIFC) |
| Compare silicate to nonsilicate minerals | A silicate is a mineral that contains silicon and oxygen atoms and a nonsilicate is a mineral without silicon (Si) that does not contain silicon and oxygen compounds. |
| Describe the mineral property of cleavage | tendency of a mineral to split and form flat, smooth surfaces |
| Describe the mineral property of hardness | ability of a mineral to resist scratching |
| Describe radioactivity | unstable atomic nuclei decay over time, releasing particles and energy |
| Define igneous rock | rock that forms when magma cools and hardens deep within the crust |
| Define sedimentary rock | rock that forms when sediments are compressed or cemented together and harden (WEDCC processes) |
| Define metamorphic rock | meaning “changed form” -rock that forms when existing rock is altered by heat and pressure heat and pressure |
| Describe the rock cycle | The series of processes in which rock forms, changes from one type to another, and is destroyed, and forms again by geological processes |
| The rock texture of the igneous rock called granite | coarse-grained |
| Describe clastic sedimentary rock. | sedimentary rock that is made up of rock fragments that become compacted and cemented together |
| Define regional contact metamorphism. | change in rocks as the result of changes in temperature and pressure over a large area |
| native mineral | a mineral that is an element |
| What is a silicate? | A mineral that is a compound with silicon. |
| The most common type of mineral in earth's crust. | silicate (Silicon and Oxygen compound) |
| What type of rock is formed from a pyroclastic volcano | igneous |
| What type of rock is formed from sediment cemented together? | sedimentary clastic |
| What is the difference between extrusive and intrusive igneous rocks? | Extrusive is formed on the surface Intrusive is formed inside the earth |
| What type of sedimentary rock is formed from evaporation of water? | chemical sedimentary |
| What does WEDCC stand for? | Weathering, Erosion, Deposition, Cementation, and Compaction |
| Symbol for Gold | Au |
| Symbol for Silver | Ag |
| Symbol for Iron | Fe |
| Symbol for Lead | Pb |
| Symbol for Tin | Sn |
| Symbol for Copper | Cu |
| Symbol for Uranium | U |
| Uranium has a special property of... | radioactivity |
| How do you classify a mineral? (SNIFC) | Solid naturally occuring inorganic fixed composition crystal structure |
| cementation | when spaces in the rock are filled with silica, rust, or calcite |
| compaction | lower layers of a rock are pressed together by upper layers |
| weathering | when rocks are broken into smaller fragments |
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Amatulli Science
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