Earth's Layers Question Preview (ID: 39396)


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How do scientists know about the layers of the Earth?
a) By studying seismic waves made by earthquakes
b) Because nickel is dense
c) By digging down deep to measure the temperature of magma
d) Because it is made mostly of granite

Why is the inner core solid?
a) Iron and nickel are only solid
b) Because it has immense pressure on it and cannot expand
c) By studying and measuring the temperature of lava from volcanoes
d) By digging down deep to measure the temperature of magma

Which two elements are mainly found in the inner core and outer core
a) Iron and Silicone
b) Nickel and Silicone
c) Nickel and Carbon
d) Iron and Nickel

Which layer plays the greatest role in the movement of Earth's tectonic plates?
a) Inner core
b) Crust
c) Outer Core
d) Mantle

What is the order of Earth's layers from most dense to least dense?
a) Inner core, Outer core, mantle, crust
b) crust, mantle, outer core, crust
c) Inner core, mantle ,outer core, crust
d) Crust, mantle, outer core, inner core

Which two rocks make up the majority of Earth's continental and oceanic crust?
a) basalt and scoria
b) granite and marble
c) granite and basalt
d) granite and shale

Which layer has strong convection currents that are responsible for the movement of the crust?
a) mantle
b) inner core
c) crust
d) outer core

Which layer is made of two different kinds of layers, continental and oceanic?
a) outer core
b) inner core
c) mantle
d) crust

Which layer is solid and made of iron and nickel?
a) Outer core
b) Inner core
c) Mantle
d) Crust

Which layer is responsible for the Earth's magnetic field?
a) crust
b) Inner core
c) mantle
d) outer core

Which layer is plastic-like and allows the crust to flow over it?
a) Lithosphere
b) Asthenosphere
c) Outer Core
d) Inner core

Which is the thickest layer?
a) crust
b) mantle
c) outer core
d) inner core

Which layer is the thinnest?
a) crust
b) mantle
c) outer core
d) inner core

The deepest wells and holes can make it to which layer?
a) Mantle
b) Crust
c) Inner core
d) Outer core

What parts of Earth make up the lithosphere?
a) Continental crust and oceanic crust
b) crust and upper mantle
c) crust and asthenosphere
d) crust and lower mantle

Which is the only entirely liquid layer of the Earth?
a) The lower mantle
b) The upper mantle
c) The outer core
d) The inner core

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