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plates theory
| Question | Answer |
|---|---|
| The theory that Earth's crust and upper mantle are broken into sections is called (blank) | Plate tectonics |
| Plates are composed of the (blank) | Crust and part of the upper mantle |
| The lithosphere is composed of the (blank) | Crust and upper mantle |
| Plates float on the (blank) | Asthenosphere |
| Plates can (blank) | Pull apart, collide, and move past each other |
| The boundary between two plates that are moving apart is a (blank) | Divergent boundary |
| When ocean plates collide with continental plates,the denser ocean plate (blank) | Sinks |
| The area where a plate decends is a (blank) | Subduction zone |
| The theory that Earth's crust and upper mantle are broken into sctions is called (blank) | Plate tectonics |
| Plates are composed of the (blank) | Crust and part of the upper mantle |
| The lithosphere is composed of the (blank) | Crust and upper mantle |
| Plates float on the (blank) | Asthenosphere |
| Plates can (blank) | Pull apart, collide, and move past each other |
| The boundry between two plates that are moving apart is a (blank) | Divergent boundry |
| When ocean plates collide with continental plates,the denser ocean plate (blank) | Sinks |
| The area where a plate decends is a (blank) | Subduction zone |
| A (blank)is created where one plate slides under another | trench |
| a subducted plate melts, forming (blank) | magma and volcanic mountains |
| 2 continental plates may slide past each other and cause (blank) | earthquakes |
| scientists think that plates are moved by (blank) | convection currents |
| a place where plates slide past one another is a (blank) | transform fault |
| the san andreas fault is a (blank) | transform fault |
| the himilayas were formed at a (blank) | convergent boundary |
| the theory of (blank) states that earths crust and upper mantle are broken into sections | plate tectonics |
| these sections, called (blank), are composed of the crust and a part of the upper mantle are broken into sections. | plates |
| the crust and upper mantle are called the | lithosphere |
| A number of rigid, but moving, pieces of the Earth’s surface | lithospheric plates |
| The outer shell of Earth that extends to a depth of 100 km | lithosphere |
| The partially melted layer of the mantle that underlies the lithosphere | asthenosphere |
| The theory that all continents are fragments of Pangaea now drifting apart | continental drift |
| States that youngest rocks of ocean floor are at diverging boundaries, moving outward | seafloor spreading |
| Forms when two (Crustal) Lithospheric plates pull apart | diverging boundries |
| Forms when two (Crustal) Lithospheric plates slide past each other | sliding boundries |
| Forms when two (Crustal) Lithospheric Plates come together | converging boundries |
Created by:
Jake 97