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What are the external forces influencing landforms?
What is the build of the Earth related to?
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?
What do different types of shock waves react to?
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?
How is the density of rocks determined?
What is the density of the Crust?
What is the density of the Mantle?
What is the density of the Outer Core?
What is the density of the Inner Core?
Why does the crust of the Earth stay on top of the other layers?
What is the Earth's crust?
What percentage of the Earth's mass does the crust make up?
What are the two types of crust?
How thick is the oceanic crust?
How thick is the continental crust?
What is the average density of continental rocks?
How old are continental crust rocks?
What are the rocks of the oceanic crust like in terms of age?
What does the Mohorovicic (Moho) discontinuity separate?
The crust is divided into different parts or plates, according to the _______.
What is the lithosphere?
On which part of the mantle do the continents float?
What is responsible for the movement of the plates?
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?
Flashcards in this deck (31)
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What are the external forces influencing landforms?
- Weathering
- Erosion
- Transportation
- Deposition
geography landforms external_forces -
What is the build of the Earth related to?
The structure and formation of landforms.
geography earth_structure landforms -
What are the main layers of the Earth?
- Crust
- Mantle
- Outer Core
- Inner Core
geography earth layers -
What are the TWO main types of shock waves associated with an earthquake?
- P Waves (Primary)
- S Waves (Secondary)
geography earthquakes shock_waves -
How do scientists study the inside of the Earth?
Scientists determine it by studying the seismic waves of earthquakes.
geography earth seismic_waves -
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.
geography earth shock_waves -
What is the outermost layer of the Earth?
Outer Core
Crust
Mantle
Inner Core
geography earth layers -
What type of wave is first to arrive during an earthquake?
Surface Waves
P Waves (Primary)
Shock Waves
S Waves (Secondary)
geography earthquakes waves -
What is the density of rocks?
Density of rocks is the mass per unit volume.
geography density rocks -
How is the density of rocks determined?
The average density of a rock is equal to its total mass divided by its volume.
geography density rocks -
What is the density of the Crust?
2.7 - 2.8 g/cm³
geography density layers -
What is the density of the Mantle?
3 g/cm³
geography density layers -
What is the density of the Outer Core?
11 g/cm³
geography density layers -
What is the density of the Inner Core?
13 g/cm³
geography density layers -
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.
geography density layers -
What is the Earth's crust?
The thin rocky outermost layer of the Earth.
geography crust layers -
What percentage of the Earth's mass does the crust make up?
Less than 1% of the Earth's mass.
geography crust mass -
What are the two types of crust?
Oceanic crust and continental crust.
geography crust types -
How thick is the oceanic crust?
Roughly 7-10 km thick.
geography crust oceanic -
How thick is the continental crust?
8 – 75 km thick.
geography crust continental -
What is the average density of continental rocks?
About 2.7-2.8 g/cm³.
geography density continental -
How old are continental crust rocks?
Over 4 billion years old.
geography age continental -
What are the rocks of the oceanic crust like in terms of age?
Younger than 180 million years
geography earth -
What does the Mohorovicic (Moho) discontinuity separate?
It separates the crust and the mantle
geography earth -
The crust is divided into different parts or plates, according to the Theory of Plate Tectonics.
geography earth -
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.
geography earth -
On which part of the mantle do the continents float?
On the asthenosphere (upper mantle)
geography earth -
What is responsible for the movement of the plates?
The movement occurs due to the dynamics of the mantle and tectonic forces.
geography earth -
What divides the crust and the mantle?
Mantle layer
Lithosphere
Mohorovicic (Moho) discontinuity
Asthenosphere
geography earth -
What is a simple way to show the build of the Earth?
Make a simple drawing to illustrate the Earth's layers.
geography earth