What are crystals formed by?
Science Midterm Review

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Science
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Crystals are formed by the cooling of magma beneath the earth’s crust or by dissolved minerals that are left behind as a liquid evaporates.
2.
FLASHCARD QUESTION
Front
What is not a characteristic of a Shield Volcano?
Back
Caused by explosive eruptions.
3.
FLASHCARD QUESTION
Front
What does the diagram of the layers of the Earth represent?
Back
The structure of the Earth, including the crust, mantle, outer core, and inner core.
4.
FLASHCARD QUESTION
Front
Who proposed the theory of continental drift?
Back
Alfred Wegner.
5.
FLASHCARD QUESTION
Front
What is Igneous Rock?
Back
Igneous Rock forms from magma or lava that cools.
6.
FLASHCARD QUESTION
Front
What is the process of compaction and cementation?
Back
It is the process where sediments are pressed together and glued to form sedimentary rock.
7.
FLASHCARD QUESTION
Front
What are the two main types of igneous rock?
Back
Intrusive (formed inside the Earth) and extrusive (formed on the Earth's surface).
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