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What are the external forces influencing landforms?
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What is the build of the Earth related to?
The structure and formation of landforms.
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What are the main layers of the Earth?
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What are the TWO main types of shock waves associated with an earthquake?
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How do scientists study the inside of the Earth?
Scientists determine it by studying the seismic waves of earthquakes.
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What do different types of shock waves react to?
Different types of shock waves react differently when they move through different materials like molten material, half-molten, and solid.
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What is the outermost layer of the Earth?
Outer Core
Crust
Mantle
Inner Core
What is the outermost layer of the Earth?
Outer Core
Crust
Mantle
Inner Core
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What type of wave is first to arrive during an earthquake?
Surface Waves
P Waves (Primary)
Shock Waves
S Waves (Secondary)
What type of wave is first to arrive during an earthquake?
Surface Waves
P Waves (Primary)
Shock Waves
S Waves (Secondary)
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What is the density of rocks?
Density of rocks is the mass per unit volume.
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How is the density of rocks determined?
The average density of a rock is equal to its total mass divided by its volume.
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What is the density of the Crust?
2.7 - 2.8 g/cm³
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What is the density of the Mantle?
3 g/cm³
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What is the density of the Outer Core?
11 g/cm³
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What is the density of the Inner Core?
13 g/cm³
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Why does the crust of the Earth stay on top of the other layers?
The crust is less dense than the rest of the Earth's layers.
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What is the Earth's crust?
The thin rocky outermost layer of the Earth.
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What percentage of the Earth's mass does the crust make up?
Less than 1% of the Earth's mass.
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What are the two types of crust?
Oceanic crust and continental crust.
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How thick is the oceanic crust?
Roughly 7-10 km thick.
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How thick is the continental crust?
8 – 75 km thick.
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What is the average density of continental rocks?
About 2.7-2.8 g/cm³.
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How old are continental crust rocks?
Over 4 billion years old.
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What are the rocks of the oceanic crust like in terms of age?
Younger than 180 million years
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What does the Mohorovicic (Moho) discontinuity separate?
It separates the crust and the mantle
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The crust is divided into different parts or plates, according to the _______.
The crust is divided into different parts or plates, according to the Theory of Plate Tectonics.
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What is the lithosphere?
The rigid layer formed by the crust and the uppermost part of the mantle, ranging from 10 to 200 km thick.
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On which part of the mantle do the continents float?
On the asthenosphere (upper mantle)
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What is responsible for the movement of the plates?
The movement occurs due to the dynamics of the mantle and tectonic forces.
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What divides the crust and the mantle?
Mantle layer
Lithosphere
Mohorovicic (Moho) discontinuity
Asthenosphere
What divides the crust and the mantle?
Mantle layer
Lithosphere
Mohorovicic (Moho) discontinuity
Asthenosphere
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What is a simple way to show the build of the Earth?
Make a simple drawing to illustrate the Earth's layers.
Parcoures tes cartes ici, ou sign up to study with spaced repetition.
What are the external forces influencing landforms?
What is the build of the Earth related to?
The structure and formation of landforms.
What are the main layers of the Earth?
What are the TWO main types of shock waves associated with an earthquake?
How do scientists study the inside of the Earth?
Scientists determine it by studying the seismic waves of earthquakes.
What do different types of shock waves react to?
Different types of shock waves react differently when they move through different materials like molten material, half-molten, and solid.
What is the outermost layer of the Earth?
Outer Core
Crust
Mantle
Inner Core
What type of wave is first to arrive during an earthquake?
Surface Waves
P Waves (Primary)
Shock Waves
S Waves (Secondary)
What is the density of rocks?
Density of rocks is the mass per unit volume.
How is the density of rocks determined?
The average density of a rock is equal to its total mass divided by its volume.
What is the density of the Crust?
2.7 - 2.8 g/cm³
What is the density of the Mantle?
3 g/cm³
What is the density of the Outer Core?
11 g/cm³
What is the density of the Inner Core?
13 g/cm³
Why does the crust of the Earth stay on top of the other layers?
The crust is less dense than the rest of the Earth's layers.
What is the Earth's crust?
The thin rocky outermost layer of the Earth.
What percentage of the Earth's mass does the crust make up?
Less than 1% of the Earth's mass.
What are the two types of crust?
Oceanic crust and continental crust.
How thick is the oceanic crust?
Roughly 7-10 km thick.
How thick is the continental crust?
8 – 75 km thick.
What is the average density of continental rocks?
About 2.7-2.8 g/cm³.
How old are continental crust rocks?
Over 4 billion years old.
What are the rocks of the oceanic crust like in terms of age?
Younger than 180 million years
What does the Mohorovicic (Moho) discontinuity separate?
It separates the crust and the mantle
The crust is divided into different parts or plates, according to the Theory of Plate Tectonics.
What is the lithosphere?
The rigid layer formed by the crust and the uppermost part of the mantle, ranging from 10 to 200 km thick.
On which part of the mantle do the continents float?
On the asthenosphere (upper mantle)
What is responsible for the movement of the plates?
The movement occurs due to the dynamics of the mantle and tectonic forces.
What divides the crust and the mantle?
Mantle layer
Lithosphere
Mohorovicic (Moho) discontinuity
Asthenosphere
What is a simple way to show the build of the Earth?
Make a simple drawing to illustrate the Earth's layers.
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