Science Inside Earth Chapter 1 Section 1
Order by
12 terms
Terms | Definitions |
|---|---|
 Seismic wave | A vibration that travels through earth carrying the energy released during an earthquake |
| Pressure | The force exerted on a surface divided by the area over which the force is exerted. |
| Crust | The layer of rock that forms Earth's outer surface |
| Basalt | A dark, dense, igneous rock with a fine texture, found in oceanic crust |
| Granite | A usually light colored igneous rock that is found in continental 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 |
| Asthenosphere | The soft layer of the mantle on which the lithosphere floats |
| Outer Core | A layer of molten iron and nickel that surrounds the inner core of Earth |
| Inner Core | A dense sphere of solid iron and nickel at the center of Earth |
| How have geologists learned about Earth's inner structure? | Geologists have used two main types of evidence to learn about Earth's interior: direct evidence from rock samples and indirect evidence from seismic waves. |
| What are the characteristics of Earth's crust, mantle, and core? | The tree main layers of Earth are the crust, the mantle, and the core. These layers vary greatly in size, composition, temperature, and pressure. |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.