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Stack #76281
Earth Layers
| Earth layers | Answers |
|---|---|
| Outermost Layer | Crust |
| Crust | Ocean and Continents Lay Atop |
| First Layer | Mantle |
| Mantle Composed | Dense Rock |
| Crust + Upper Most layer of the Mantle | = Litosphere |
| Under Lithosphere | Asthenosphere |
| Asthenosphere | Elastic |
| Convection Currents | Travel Thru the Asthenosphere |
| Convection Currents (create Movement) | Which shifts the Tectonic Plates |
| 3 Categories of Plate Boundaries | Convergent, Divergent and Transform |
| Convergent Boundaries | Converge or move together (Collide) |
| Convergent Boundaries | Subduction as they submerse or drive down one of the plates - Sinking of Land Eathquake, sinking of crust to expose magma volcanic |
| Convergent Boundaries | Create the Ring of Fire and are of great seismic and volcanic activity |
| Convergent NOT creating subduction | Mountains Appear - Plates thrust Upward |
| Divergent Boundaries | Diverto or Move the plates away from one Another |
| Divergent Boundaries | Are typically with Ocean Plates |
| Deep Valleys | Ocean Floor aka 'rifts |
| Divergent Plates DO NOT | Typically cause Volcanic activity but not great seismic activity |
| transform Plate Boundaries | Plates Sliding by one another |
| Site of Great ? | Friction as the plates slide grinding past one another |
| Grinding causes stress | leads to landslides |
| San Andreas Fault | is a transform plate boundary |
| Grinding can cause ground waves | which lead to earthquakes |
Created by:
ninar
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