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