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1. Igneous rock that cools very quickly when it forms may have a texture that is
What is smooth and shiny with no visible grain (a)
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2. When all the grains in a rock are large and easy to see, the rock is described as
What is coarse grained (c)
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3. Rock that forms from the cooling of magma below the surface or lava at the surface is called
What is igneous rock (c)
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4. Where does most metamorphic rock form?
What is deep underground (d)
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5. Igneous rock that formed from lava that erupted onto Earth's surface is called
What is extrusive rock (a)
200
6. The most abundant intrusive rock in the continental crust is
What is granite (b)
200
7. Which igneous rock has large crystals surrounded by smaller crystals?
What is porphyry (b)
200
8. The process by which sediment settles out of the water or wind carrying it is
What is deposition (c)
200
9. To describe a rock's texture, geologists determine
What is the size, shape, and pattern of the rock's grains (c)
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11. A sedimentary rock formed when water deposits tiny particles of clay in very thin, flat layers is called
What is shale (b)
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10. A sedimentary rock made up or rock fragments with rounded edges is called
What is conglomerate (c)
300
12. Chalk formed from sediments made of skeletons of microscopic living things in the ocean must be a(n)
What is organic rock (b)
300
13. Heat and pressure deep beneath Earth's surface can change any rock into
What is metamorphic rock (c)
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14. The heat that changes a rock into metamorphic rock comes from
What is the heat of the mantle (a)
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15. Geologists classify metamorphic rock according to
What is the arrangement of the grains that make up the rock (c)
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16. The texture of a metamorphic rock that has grains arranged in parallel layers is described as
What is foliated (a)
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17. Metamorphic rocks that are non foliated
What is do not split into layers (b)
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18. A series of processes on Earth's surface and in the crust and mantle that slowly changes rocks from one kind to another is called
What is the rock cycle (c)
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19. Which of the following is NOT one of the possible stages in the rock cycle?
What is smelting (c)
400
20. What step in the rock cycle would be required to change granite into sandstone?
What is granite particles settle on the ocean floor (a)
500
21. What are the two most useful metamorphic rocks?
What is marble and slate (b)
500
22. Erosion on a mountain range that was pushed up as a result of two continental plates colliding will lead to the formation of
What is sedimentary rock (d)
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23. During the rock cycle, a collision between two continental plates could force one plate down toward the heat of the mantle, producing
What is metamorphic rock (b)
500
24. The sedimentary rock breccia is made up of
What is rock fragments with sharp edges (a)
500
The process in which dissolved minerals crystallize and glue particles of sediment together is
What is cementation (b)
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