Rocks and Minerals Chapter 6 Review Test Questions and Answers
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Rocks and Minerals
Institution
Rocks And Minerals
Rocks and Minerals Chapter 6 Review Test Questions and Answers
A ___ is a rock that contains minerals mined for profit - Answer-ore
rocks - Answer-A naturally occurring solid mixture of one or more minerals and organic matter
There are about ___ minerals that make up most of the Earths cr...
Rocks and Minerals Chapter 6 Review
Test Questions and Answers
A ___ is a rock that contains minerals mined for profit - Answer-ore
rocks - Answer-A naturally occurring solid mixture of one or more minerals and organic
matter
There are about ___ minerals that make up most of the Earths crust - Answer-20
What are the 3 main groups of rocks? - Answer-igneous, sedimentary, metamorphic
igneous rock - Answer-forms when hot magma cools and solidifies
if lava cools quickly the rock will look ________ and _________ - Answer-smooth and
shiny
if lava cools slowly the rock will look ________ and have ___ _________ - Answer-
holey and have gas bubbles
intrusive rocks - Answer-form below the earths surface and their grains are more course
extrusive rocks - Answer-form above the earths surface and their grains are more fine
sedimentary rocks - Answer-forms when rocks are broken down into smaller pieces,
dissolved in water, and then cemented together
what are 5 forces that weather rocks? - Answer-wind, water, ice, sunlight, and gravity
Through the process of __________, these weathered materials are __________. -
Answer-erosion; deposited
_______________ followed by __________________ form sedimentary rocks -
Answer-compaction; cementation
you can find _________ (otherwise known as the remains of dead organisms) in
sedimentary rocks - Answer-fossils
metamorphic rocks - Answer-forms when existing rock is changed by heat and pressure
meta - Answer-change
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