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Rock and minerals
Test wenday
| Question | Answer |
|---|---|
| A mineral is a naturally formed__________ substance and it was not formed from any_______ things | A mineral is a naturally formed SOILD substance and it was not formed from any LIVING things |
| What do we call a mineral ability to resist being scratches its______ | hardness |
| Who was Friedrich Mohs and what did he develop to help study the Hardness of mineral____ | Moh Hardness scall |
| what is the softest mineral__________ what is the herd its mineral____________ | Talc softest. dimound. hardest |
| Why can' t you indemnity a mineral by color alone __________ | because of different minerals is all different color. |
| A mineral______ describes how it reflects light from its surface. | Luster |
| The way the atoms or inron of a mineral are arranged in certain patterns will result in unnique ______ shape for the mineral. | Indast |
| Minerals breaks according to how thier atoms are arrangd. If the mineral breaks along a flat surface we call this______ and if i doesn't we call this_______ would a gemm cutter use cleavges or fracture to remove the flaws from a dimound or sapphire and tu | Minerals breaks according to how thier atoms are arrangd. If the mineral breaks along a flat surface we call this CLEVEGE and if i doesn't we call this FRACTURE would a gemm cutter use cleavges or fracture to remove the flaws from a dimound or sapphire an |
| What mineral has often been mistake for gold, "fools gold' | Pyrite |
| What do we call solid eath materials that are formed from a mixture of minerals and sometimes outer materials | Mirals |
| what are the three types of rocks | Igneous, sedimentary, metamorphic |
| Earth crust is made up of | Rock |
| Geologist classify rocks based on their texture, mineral composition and | Grain |
| What are rock made of | Different type of minerals |
| Why can't rock be identified by color alone? | Because it does inti |
| What is the rock and feel of a rock surface called | Texture |
| there are 3 parts to a rock texture | Grain size, grain shape and Grain pattern |
| Geologist classify rock into 3 major groups. What are the 3 groups | Igneous, sedimentary, metamorphic |
| There are 20 mineral that makes up most of the rock of earth crust. These know as rock- | Forming |
| Igneous rock is any rock that forms from | benth of benth the earth |
| Igneous rock that has formed from lava that erupted onto earth's surface is called _________ rock | Extueve |
| Ignoes rock has formed when mamga hardened beneth the erath surface is a called | Intusive |
| _______ is the most common extrusive rock and is sfen crushed and used t make gravel | Balsal |
| _________ is the most common intrusive rock is often used for decorative stonework, curbstone and floors | Grainte |
| The texture of igneos rock depends on the size and ________ of its mineral_____________ | The texture of igneos rock depends on the size and SHAPE of its mineral CRYSTAL |
| Rapliy lava forms _______- Grain ingeous rocks with _________ cyatal | coasre, and big |
| People throght history have use ingeuous rocks for tool and building materials they are hard ________ | Dense and darble |
| the small solid picese of mineral that come from rocks or living things are called | Semantary |
| there are 4 major processes that occur for a sedimentary rock to be formed erosion with produces sediment ___________ compaction _____ | Impound, cement |
| What are the three major souses erosion? Running ______ | water |
| The process by which sediments are pressed together is call | Compaction |
| the process in which dissolved mineral crystallize and glue particles of sediment together is called | Compaction |
| What are the three major groups of sedimentary rocks_______ organic and _____________ | Classic, and Cheimal |
| A classic rock is a sedimentary rock that forms when rock fragment are _________ togther | Scugged |
| an organic rock is a rock that forms where the ramian of _______ and _____ deposited in thick layers | Plants and Anmails |
| Chemical rock form when mineral tat are dissolved in a solution | Crystallize |
| what tow factors deep beneath the earth surface can change any rock into metamorphic rock? | Heat and pressure. |
| Wen rock change into metamorphic rock its appearance texture _____ structure and _____ content change. | Crystal mineral |
| when metamorphic rock is forming high ______ can change the size and shape of grain in the rock | Tempature |
| Tremendous _______ can also sqeeze rock tightly that the mineral____ may lines in flat parallel layers | Persure, grain |
| what do we call rock that these thin, bands of parallel lyares? | Folated |
| If the mineral grain in a rock are arranged randomly then they are called | Non-folated |
| what are two most useful metamorphic rocks that are used for building and sculpture? | Marble stale |
| Why har marble been use a lot to create buildings and sculptures? | Marble can be cut in different ways |
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