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Apologia Module 6
Vocabulary words
Question | Answer |
---|---|
Earth's Crust | Earth's outermost layer of rock |
Earthquake | Vibration of the earth that results either from volcanic activity or rock masses suddenly moving along a fault |
Epicenter | The point on the surface of the earth directly above an earthquake's focus |
Fault | The boundary between two sections of rock that can move relative to one another |
Focus | The point where an earthquake begins |
Igneous rock | Rock that forms from molten rock |
Metamorphic rock | Igneous or sedimentary rock that has been changed into a new kind of rock as a result of great pressure and temperature. |
Plastic rock | Rock that behaves like something between a liquid and a solid |
Sediment | Small, solid fragments of rock and other materials that are carried and deposited by wind, water or ice. Examples would be sand, mud or gravel. |
Sedimentary rock | Rock formed when chemical reactions cement sediments together, hardening them |