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JLC Sci Ch 6 Review

JLC Sci 6th Grade Ch 6 Review

QuestionAnswer
core The layer of Earth that extends from the bottom of the mantle to Earth's center.
crust The thin outer skin of Earth
erosion The removal and transportation of weathered material
fault A break in the Earth's crust where rocks slide past each other
focus The point inside the Earth where an earthquake begins.
glacier A huge sheet of ice that stays frozen all year
mantle The layer of Earth under the crust
rift A deep valley in mid-ocean formed where two plates move appart
Why do the large, stiff plates of the lithosphere able to move? Due to the asthenosphere's ability to flow
earthquake This is caused when energy is released as rocks in a fault slide past one another.
lithosphere The part of the Earth that consists of the crust and uppermost part of the mantle.
Why do S & P waves arrive at a detection point at different times during an earthquake? They travel at different speeds.
Formed by violent volcanic eruptions. cinder cones
The four layers of the Earth. Crust > Mantle > Outer Core> Inner Core
Where does sea-floor spreading take place? Along the mid ocean ridge
Instrument used to detect earthquakes seismograph
3 main layers of the Earth Crust > Mantle > Core
Two parts of the core Inner core and outer core
Created by: jkm1123
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