| A | B |
|---|
| Inner Core | solid innermost center of the Earth |
| Granite | type of rock that makes up the continental crust |
| mantle | layer of the Earth that extends from the bottom of the crust to the outer core |
| Moho | boundary between the Earth’s outermost layer (crust) and the mantle |
| Basalt | type of rock that makes up the ocean floor |
| crust | thin, outermost layer of the Earth |
| lithosphere | topmost solid part of the Earth, which is composed of the crust (7 major plates) and some of the mantle |
| asthenosphere | layer of the Earth directly beneath the lithosphere and the 7 major plates float on it |
| seismograph | instrument used to detect and record seismic waves produced by earthquakes |
| seismic waves | shock waves produced by earthquakes that travel through the Earth |
| Outer Core | layer of the Earth surrounding the inner core |
| plasticity | ability of a solid to flow, or change shape |
