| Question |
 |
|
| Answer |
 |
|
| seismic waves |
vibrations that travel through earth carrying the energy released during an earthquake. |
| pressure |
The force exerted on a surface divided by the total area which the force is exerted. |
| crust |
the layer of rock that forms on the earth's outer surface |
| basalt |
a dark, dense, igneous rock with a fine texture, found in oceanic crust |
| mantle |
The layer of hot , solid material between earth's crust and core |
| lithosphere |
a rigid layer made up of the uppermost part of the mantle and the crust |
| outer core |
a layer of molten iron and nickel that surrounds the inner core of the |
| inner core |
a dense sphere of solid iron and nickel at the center of the earth |
| asthenosphere |
The soft layer of mantle on which the lithosphere floats. |