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Layers of the earth
| Question | Answer |
|---|---|
| Compared with the other layers of Earth, the crust is _____. A) heavier B) denser C) softer D) thinner | D |
| Which portion of Earth’s interior is made up partly of crust and partly of solid mantle material? A) Lithosphere B) Inner core C) Outer core D) Asthenosphere | A |
| Which sequences the layers of Earth, starting with Earth’s surface? A)crust, outer core, inner core, mantle B) mantle, outer core, inner core, crust C) crust, mantle, outer core, inner core D)outer core, inner core, crust, mantle | C |
| The Earth (excluding oceans and atmosphere) can be described as _____. A)a solid lithosphere floating upon a hot molten layer of rock underneath B)a solid lithosphere then a hot, convecting layer down through liquid rock to a solid inner core | B |
| Where is the thickest part of Earth's crust? A) At the ocean shoreline B) At mid-ocean ridges C) Under continental mountain ranges D) Under volcanic islands | C |
| The asthenosphere is a specific region that is part of which Earth layer? A) Crust B) Upper mantle C) Lower mantle D) Outer core | B |
| Which portion of an Earth layer is made of the least dense materials? A) Inner core B) Outer core C) Oceanic crust D) Continental crust | D |
| Which of the following statements explains why the lower mantle is denser than the upper mantle? A)The lower mantle contains oceanic basalt. B)The lower mantle is under more pressure than the upper mantle. | B |
| Which of the following sequences arranges the Earth layers from the most dense to the least dense? A)Core, mantle, oceanic crust, continental crust B)Oceanic crust, continental crust, mantle, core C)Core, continental crust, oceanic crust, mantle | A |
| What are the two types of material that make up the crust of the Earth? A) plastic and flowing B) nitrogen and oxygen C) continental and oceanic D) folded and faulted | C |
| The elements silicon and oxygen make up most of Earth’s _____. A) asthenosphere B) solid crust C) inner core D) soft mantle | B |
| The main rock types that make up continental and oceanic crust are _____. A) granite and basalt B) limestone and sandstone C) marble and quartz D) silicon and oxygen | A |
| The crust beneath the Atlantic Ocean is composed primarily of which material? A) Basalt B) Granite C) Iron D) Silicon | A |
| Crust under the ocean differs from crust under the continents in all of the following ways EXCEPT ___. A) density B) depth C) composition D) state of matter | D |
| The mantle is composed of all of the following EXCEPT _____. A) softened rock B) magnesium C) granite D) iron | C |
| Earth’s mantle is _____. A) a layer of hot rock B) a layer of liquid iron and nickel C) a dense ball of solid metal D) a layer of rock that forms Earth’s outer skin | A |
| The distance from the inner core to the surface of Earth is approximately 5,200 kilometers. The pressure of all this surrounding material is one factor that causes the inner core to be which state of matter? A) Fluid B) Gas C) Liquid D) Solid | D |
| The matter that makes up the core of Earth is _____. A) iron and magnesium B) silicon and oxygen C) iron and nickel D) nitrogen and oxygen | C |
| The inner core and the outer core of Earth differ in that the _____. A) outer core is basalt rock B) inner core is solid C) outer core contains iron D) inner core is less dense | B |
Created by:
ljordan@lexington1.n
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