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Stack #4622481
| Question | Answer |
|---|---|
| Thinnest, least dense layer | Crust |
| Made of basalt lavas | Oceanic Crust |
| 3.0 g/cm3 density | Oceanic Crust |
| Thicker than oceanic crust | Continental Crust |
| All 3 types of rock are common | Continental crust |
| A region about 100 km thick that is the outermost region consisting of the crust and upper mantle; easily cracked and broken | Lithosphere |
| Semisolid rock (like soft plastic) and is hot; Periodite is its most common rock (lots of iron and magnesium | Mantle |
| Region of solid like upper mantle (under lithosphere), hot, under pressure; flows like silly putty. | Asthenosphere |
| Heat transferred by atoms, best in solid, energy flows warmer to cooler, direct contact. | Conduction |
| Heat transfer by the movement of heated fluid, caused by differences in temp./density | Convection |
| Transfer of heat that relies on the constant circular motion of the fluid. | Convection Current |
| As heated material rises and cools then sinks. | Convection Cureent |
| Heated from the core and moves... | ...tectonic plates |
| Inner most layer, inner is solid due to extreme pressure, outer is a liquid, 85% iron 15% nickel, creates Earth's magnetic field, s waves cant travel through, extremely dense (inner more so than outer. | Core |
| Lithosphere divided to 7 major and several minor segments. | Tectonic Plates |
| Plates are in... | ...constant motion |
| Divergent | Two plates moving away from each other |
| Convergent | Two plates moving towards each other |
| Transform | Two plates slide past each other |
| Energy from earthquakes that travel in waves | Seismic waves |
| Earthquake origin point | Epicenter |
| Study of seismic waves | Seismology |
| People who study seismic waves | Seismologists |
| Tool used to measure seismic waves | Seismograph |
| Travel through Earth | Body waves |
| Fast, travel at about 4 miles per second, longitudinal compression type motion, refract, travel through solid liquid and gas, and move faster through denser materials | P-waves |
| Half as fast as _ waves, transverse perpendicular movement, cant travel through liquid/gas | S-waves |
| When no wave is detected due to refraction of the wave | Shadow zone |
| Travel along the ground, 1.5 miles per second, do the most damage during an earthquake. | Surface waves |
| A process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity | Seafloor Spread |
Created by:
67mustard