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There are two types of waves ; P waves and S waves . P waves can travel through solids , liquids , and gases . S waves can only travel through solids . The mantle is pure solid rock ; the outer core is made of liquid-iron and nickel . In other words , only P waves can travel through both the mantle and the core .
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Which type of seismic wave can only pass through earths mantle?
There is no seismic wave that can only pass through the Earth's mantle. However S-waves can not travel through earth's outer core because it is a liquid.
How do you know how big the inner core outer core and mantle are?
The sizes of Earth's inner core, outer core, and mantle are determined through seismic studies, which analyze how seismic waves travel through the different layers of the Earth. Scientists study the speed of seismic waves and how they bend or refract as they travel through the Earth to determine the size and composition of these layers.
How does the composition of earths interior effect an earthquake?
The composition of Earth's interior affects earthquakes by influencing the propagation of seismic waves. The different layers, such as the crust, mantle, and core, have varying densities and properties that impact how seismic waves travel through them. This influences the speed, direction, and intensity of seismic waves during an earthquake.
What divides the mantle and the core?
The boundary separating the Earth's mantle and core is known as the core-mantle boundary. This boundary is characterized by a sharp decrease in seismic wave velocities, indicating a difference in composition and properties between the outer core and the lower mantle.
The part of the Earth that stops or slows down seismic waves?
The outer core is the part of the Earth that slows down or stops seismic waves due to the change in density and composition from the mantle. Seismic waves travel faster through solid materials like the mantle and crust, but slow down when they reach the liquid outer core.
Do p waves travel through earths mantle?
Yes, P-waves (primary waves) can travel through the Earth's mantle. P-waves are a type of seismic wave that is capable of propagating through solid, liquid, and gaseous materials. They are the fastest seismic waves and can travel through the mantle, which is the layer between the Earth's crust and core.
Which type of seismic wave can only pass through earths mantle?
There is no seismic wave that can only pass through the Earth's mantle. However S-waves can not travel through earth's outer core because it is a liquid.
How do you know how big the inner core outer core and mantle are?
The sizes of Earth's inner core, outer core, and mantle are determined through seismic studies, which analyze how seismic waves travel through the different layers of the Earth. Scientists study the speed of seismic waves and how they bend or refract as they travel through the Earth to determine the size and composition of these layers.
How does earths inner core affect seismic waves?
They go faster through the inner core than the liquid outer core
How did Beno Gutenberg discover the boundary between mantle and outer core?
He didnt just discover 'a boundary' between mantle and outer core. He provided the first reasonable accounting of Earths interior (proved the thought that the earth was in layers and not just a homogenous planet). He was also the first to estimate the temperature and physical properties of the earths core, which is why the boundary is called after him. He first discovered the layers through seismic waves from earthquakes, realising they had different magnitudes and intensity because they must have had to go through layers before reaching the surface as well as depending where the epicentre is.
What are seismic map use for?
the Earth's core and mantle.
Do continents drift slowly on earths upper mantle or earths core?
Continents drift on top of the upper mantle. The core is much further down.
What are Seismic Waves used for mapping?
the Earth's core and mantle.
How does the composition of earths interior effect an earthquake?
The composition of Earth's interior affects earthquakes by influencing the propagation of seismic waves. The different layers, such as the crust, mantle, and core, have varying densities and properties that impact how seismic waves travel through them. This influences the speed, direction, and intensity of seismic waves during an earthquake.
Is the earths core cooler than the crust and mantle?
No, the core is hotter.
What have seismic studies discovered about earths core?
the outer core is liquid; the inner core is solid
How do you know earths outer core is liquid?
Volcanoes allow the molten lava from the outer core to pass through weak spots in the mantle.
