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MJHS8 Earth's Struct
MJHS8 Earth's Structure Vocabulary
| Question | Answer |
|---|---|
| The boundary between the Earth's crust and mantle | Moho (Mohorovicic discontinuity) |
| Rigid layer of solid rock made up of the uppermost mantle and the crust; Earth's tectonic plates | Lithosphere |
| Dense, solid ball of iron and nickel | Inner core |
| Layer of rock that forms Earth's outermost layer; can be oceanic or continental | Crust |
| Soft layer of the mantle on which the lithosphere floats; Can bend, move, and flow slowly | Asthenosphere |
| Type of crust made of granite; up to 60 km thick | Continental crust |
| Layer of hot, solid material between the Earth's crust and core; thickest layer of the Earth | Mantle |
| Area on the Earth where neither P or S waves are received | Shadow zone |
| Type of crust made of basalt; around 6 km thick | Oceanic crust |
| Layer of molten iron and nickel that surrounds the inner core | Outer core |