Download Unit 3 Vocabulary

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Unit 3 Vocabulary - Part 1
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1. a model that illustrates the origin of the three
basic rock types and the interrelatedness of Earth
materials and processes
8. a naturally occurring, inorganic crystalline
material with a unique chemical composition
11. the physical disintegration of rock, resulting in
smaller fragments
12. the process of being split into thin sheets
13. one of numerous rigid sections of the
lithosphere that moves as a unit over the material
of the asthenosphere
Do wn
2. the processes by which the internal structure of
a mineral is altered by the removal and/or addition
of elements
3. the process by which sediments are squeezed
together by the weight of overlaying materials
driving out water
4 . a mechanism that may contribute to plate
motion; it involves the oceanic lithosphere sliding
down the oceanic ridge under the
5. the location where plates meet; three types:
Divergent, Convergent, Transform
6. the rigid outer layer of Earth, including the crust
and upper mantle
7. the division of Earth’s history into block of times
– eons, eras, periods, and epochs
9. a hypothesis that originally proposed that the
continents had once been joined to form a single
supercontinent
10. the theory that Earth’s outer shell consists of
individual plates that interact in various ways