Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a rock? | A mixture of minerals, rocks fragments, volcanic glass, organic matter, or other natural materials
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| What are the four most common rock forming minerals? | Quartz, Mica, Feldspar, Hornblende
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| What is the characteristic of Quartz? | Usually white to clear
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| What is the characteristic of Mica? | Muscovite, light and biotite, dark
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| What is the characteristic of Feldspar | Pink in color
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| What is the characteristic of Hornblende | usually dark colored
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| What is the rock cycle | A diagram/model that shows how rocks slowly change through time
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| What are the 3 types of rocks | Igneous, Metamorphic, Sedimentary
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| Rocks are classified based on how they what? | Form
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| What are the processes by which rocks change? | Weathering, melting, erosion, heating, cooling, compaction, cementation, deposition, pressure
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| True or False The changes that take place in the rock cycle never destroy or create matter | True
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| How is igneous rocks formed? | Magma/lava cools and hardens
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| What are they types of igneous rocks | Intrusive, extrusive, volcanic glass
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| What are the characteristics of Intrusive Rocks? | Rocks that form from magma below the earth's surface
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| What are the characteristics of Extrusive Rocks? | Rocks that form from lava on the earth's surface
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| What are the characteristics of Volcanic Glass? | Pumice, obsidian, and scoria are examples of volcanic glass
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| What are the classifications of Igneous Rocks? | By the type of magma/lava that they form
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| What are basaltic Rocks? | Igneous rocks, dense, dark colored rocks. Made mostly of iron and magnesium
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| What are Granitic Rocks? | Igneous rocks , light - colored rocks of lower density that basaltic rocks. made mostly of silicon and oxygen
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| What are Andesitic Rocks? | Igneous rocks, have mineral compositions between those of basaltic and granitic rocks
Usually red to pink in color, but not always
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| What are the formations of Metamorphic Rocks? | changes in temperature and pressure or the presence of hot watery fluids
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| What can metamorphic rocks form from | Igneous, sedimentary, or other metamorphic rocks
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| What are the classifications of metamorphic rocks? | by its composition and texture
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| What are foliated rocks? | when mineral grains line up in parallel layers or bands
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| What are nonfoliated rocks? | mineral grains that grow and rearrange, but they don't form layers and layering does not occur
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| What are the formations of sedimentary rocks? | Sediments are loose materials such as rock fragments, mineral grains, and bits of shell that have been moved by wind, water, ice, or gravit
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| How are they formed? | when sediments become pressed or cemented together, or when minerals form from solutions and often form in layers
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| What are sedimentary rocks classified by? | detrital, chemical, or organic
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| What are the Sizes of Sediments? | Clay - Shale, Silt - Siltstone,
Sand - Sandstone, Gravel - Conglomerate & Breccia
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| What are the 3 processes of forming sedimentary rocks? | Cementation, compaction, evaporation
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| What is cementation? | Occurs when larger pieces of sediments are naturally cemented together to form sedimentary rock
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| What is compaction? | occurs when small pieces of sediment are pressed together by the layers above them to form sedimentary rock
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| What is evaporation? | occurs when solutions evaporate and form rocks
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