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Advisory-plates
Advisory-Plate movements.
| Question | Answer |
|---|---|
| At a _________ plate boundary plates are moving apart. | divergent |
| At a ___________ plate boundary plates are moving towards each other. | convergent |
| At a __________ plate boundary plates move across each other. | transform |
| An __________ will occur at transform plate boundaries. | earthquake |
| An example of a divergent boundary underwater is the ___________. | midocean ridge |
| A divergent boundary on land is a __________. | rift valley |
| When continental and continental crust collide, __________ forms. | mountains |
| When continental and ocean crust collide, _____________ occurs. | subduction |
| _______________ occurs at the mid-ocean ridge and magma erupts creating the rock of the sea floor. | Seafloor spreading |
| A ______________ is a downward bend in the earth's crust. | trench |
| _____________ occurs when oceanic crust sinks back into the mantle. | Subduction. |
| The Theory of ______________ was proposed by Alfred Wegener and said that earth's continents are drifting across earth's surface. | Continental Drift |
| The Theory of _____________ states that Earth's plates are in a constant slow motion driven by the convection currents in the mantle. | Plate Tectonics |
| ______________________ occur inside the mantle due to density differences in the magma. | Convection currents |
| The layers of the Earth beginning at the surface are ______, _____, ____ and ____. | Crust, mantle, outer core and inner core |
| Temperature and pressure ___________ as you move from the surface towards the center of the earth. | increases |
| The uppermost part of the mantle and the crust together form a rigid layer called the _________________. | lithosphere |
| Wegner supported his hypothesis with evidence from ___________, ___________, and _____. | landforms, fossils and climates |
| Oceanic crust is predominately made of ____________, a dark dense heavy rock. | basalt |
| Continental crust is predominately made of _______________, a lighter, less dense rock. | granite. |
| Convection currents in the _________ _______ cause the inner cores to spin and create earth's magnetic field. | outer core |
Created by:
lschramme
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