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Rocks
| Question | Answer |
|---|---|
| A rock is composed of many different _____________. | minerals |
| _________ igneous rocks are formed above the Earth's surface. | extrusive |
| Magma is never considered a rock because it is in ________ form. | liquid |
| Igneous rocks are categorized according to their origin, ___________, and mineral composition. | texture |
| ___________ is an example of a clastic sedimentary rock. | sandstone |
| Metamorphic rocks are categorized by the arrangement of the __________ that make up the rock. | grains |
| __________ rocks have mineral grains that flatten and line up in parallel bands. | foliated |
| ___________ is when pressure from upper layers push down on lower layers. | compaction |
| Coquina is sedimentary rock made up of pieces of broken ___________. | shells |
| True or False: Any rock type can become any other type if it goes through the correct process. | True |
| Igneous rock that cools very quickly when it forms may have a texture that is ___________. | smooth and shiny |
| When all the grains in a large rock are easy to see, the rock is described as ________ grained. | coarse |
| What type of rock forms from the cooling of magma below the surface or lava at the surface? | Igneous |
| Where does metamorphic rock form? | deep underground |
| Igneous rock that formed from lava that erupted onto Earth's surface is called ______________ rock. | extrusive |
| ___________ is the most abundant intrusive rock in the continental crust. | granite |
| __________has large crystals surrounded by smaller ones. | porphyry |
| ___________ is the process by which sediment settles out of the water or wind carrying it. | Deposition |
| What do geologists determine to describe a rock's texture? | Size, shape and pattern of the grains |
| A sedimentary rock made up of rock fragments with rounded edges is called _____________. | Conglomerate |
| _________ is the sedimentary rock formed when water deposits tiny particles of clay in very thin, flat layers. | Shale |
| Chalk formed from sediments made of skeletons of microscopic living things in the ocean must be a(n) ____________ rock. | organic |
| What forms the structure called a coral reef? | skeletons of coral animals |
| Heat and pressure deep beneath Earth's surface can change any rock into __________ rock. | metamorphic |
| The heat that changes a rock into metamorphic rock comes from the ______________. | mantle |
| The texture of a metamorphic rock that has grains arranged in parallel layers is described as _____________. | foliated |
| Metamorphic rocks that are _____________ do not split into layers. | nonfoliated |
| A series of processes that slowly changes rocks from one kind to another. | rock cycle |
| __________ activity, erosion, and melting are examples of stages in the rock cycle. | volcanic |
| Granite particles must settle on the ocean floor to change granite into ___________. | sandstone |
| _________ and ________ are two of the most useful metamorphic rocks. | marble and slate |
| Erosion on a mountain range that was pushed up as a result of two continental plates colliding will lead to the formation of _____________ rock. | sedimentary |
| _____________ is the process in which dissolved minerals crystallize and glue particles of sediment together. | cementation |
| foliated | metamorphic |
| extrusive | igneous |
| nonclastic | sedimentary |
| intrusive | igneous |
| nonfoliated | metamorphic |
| clastic | sedimentary |
Created by:
Lkeener