Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
The composition of the inner core |
Iron , nickel |
|
|
The main rocks that make up the oceanic and Continental crust are |
Basesalt, granit |
|
|
The layer of the mantle below the lithosphere |
Asthenosphere |
|
|
Where is the thickest layer of the crust located |
Under contenents |
|
|
What materials make up the lithosphere |
Crust and the upper mantle |
|
|
What layer is below the continental crust |
Mantle |
|
|
Of the four layers of earth, which layer is the thinnest and has the lowest density |
Crust |
|
|
Which layer of earth is the thickest |
Mantle |
|
|
Why is the mantle more dense than the crust |
More iron and magnesium |
|
|
List the layer of earth in order |
Crust, mantle , core |
|
|
The process in which the ocean flow sinks below a deep ocean trench and back into the mantle |
Subduction |
|
|
Where do mountains normally occur |
Convergent boundry |
|
|
What causes the movement of tectonic plates |
Convection currents |
|
|
What causes the forming of mountains and volcanoes along the edge of a continent |
Convergent boundry |
|
|
What type of boundry occurs at the ring of fire in the Pacific ocean |
Convergent |
|
|
What evidence have scientists collected that proves the breaking apart of pangaea |
Fossils and rocks |
|
|
Plates that slide past each other with little or no up or down movement are what bondary |
Transform |
|
|
Plates that move away from each other are what kind of boundry |
Divergent |
|
|
The movement of continents away from each other is called |
Continental drift |
