7 Science Ch 5 Word Scramble

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Question	Answer
What are the three major groups of rock?	igneous, sedimentary, metamorphic
What are the two types of igneous rocks?	extrusive and intrusive
What are three characteristics that geologists use to classify rocks?	texture, mineral composition, color
What are the three types of sedimentary rocks?	clastic, organic, chemical
What are the two types of metamorphic rocks?	nonfoliated, foliated
The texture of metamorphic rocks that has grains arranged in parallel layers is described as...	foliated
Igneous rocks that cools very quickly when it forms may have a texture that is...	smooth and shiny with no visible grain
When all the grains in a rock are large and easy to see, the rock is described as...	coarse grained.
To describe a rock's texture, geologists determine...	the size, shape, and the pattern of the rock's grains
Which of the following is NOT one of the possible stages in the rock cycle: melting, volcanic activity, smelting:	smelting
What are the two most useful metamorphic rocks?	marble and slate
A series of processes on Earth's surface and in the crust and mantle that slowly form rocks from one kind to another is called...	the rock cycle
The heat that changed a rock into metamorphic rock comes from...	the heat of the mantle.
Rock that formed from cooling magma below the surface...	intrusive.
The process by which sediment SETTLES OUT of the water or wind carrying it is...	deposition.
Overtime, coral buried by sediments can turn into...	limestone.
Heat and pressure deep beneath Earth's surface can change a rock into...	metamorphic rock
Rock that forms from cooling magma or lava is called...	igneous rock.
Geologists classify metamorphic rock according to...	the arrangement of the grains that make up the rock.
Metamorphic rocks that are nonfoliated...	have mineral grains line up in parallel layers.
Igneous rock that formed from lava that erupted onto Earth's surface (outside) is called...	extrusive rock
The process in which dissolved minerals crystallize and glue particles of sediment together is...	cementation
The texture of slate is said to be_______ because its mineral particles can be seen only with a microscope.	no visible grain
Foliated and nonfoliated are terms used to describe the texture of...	metamorphic
When seas or lakes evaporate, a type of sedimentary rock called a _______ rock can form.	chemical
The carrying away of rock fragments by water, wind, or ice is called _______, an important process in the formation of sedimentary rocks.	erosion
Erosion and deposition play roles in the formation of ________ rocks.	sedimentary
As layer upon layer of sediments are deposited, the process of ______ presses them together.	compaction
______ is NOT a sedimentary rock.	granite
_______ rocks are formed when minerals that are dissolved in a solution crystalize on Earth's surface.	chemical
Coal is an example of _______ rock	sedimentary rock
A sedimentary rock that forms where thick layers of plant and animal remains are deposited...	coal

Created by: 7thgrade