Podcast
Questions and Answers
What is the composition of Earth's solid core?
What is the composition of Earth's solid core?
- Iron only (correct)
- Iron and magnesium
- Basalt and granite
- Iron mixed with nickel and lighter elements
Which layer of the Earth is mainly composed of basalt and granite?
Which layer of the Earth is mainly composed of basalt and granite?
- Upper mantle
- Crust
- Lower mantle (correct)
- Liquid outer core
What is the main rock type that makes up the ocean crust?
What is the main rock type that makes up the ocean crust?
- Basalt
- Magma
- Nickel (correct)
- Granite
What drives convection currents in the asthenosphere?
What drives convection currents in the asthenosphere?
What process occurs at the divergent zone along the Mid-Atlantic ridge?
What process occurs at the divergent zone along the Mid-Atlantic ridge?
What characteristic corresponds to the permeability of material according to the text?
What characteristic corresponds to the permeability of material according to the text?
Which layer of the Earth is most likely to contain solid nickel and iron?
Which layer of the Earth is most likely to contain solid nickel and iron?
What process is demonstrated by the slow circulation of the mantle shown in the diagram?
What process is demonstrated by the slow circulation of the mantle shown in the diagram?
How should equal volumes of sediments be poured into a column of water to facilitate proper settling?
How should equal volumes of sediments be poured into a column of water to facilitate proper settling?
What evidence is manifested by high-heat flows at the center of a mid-ocean ridge?
What evidence is manifested by high-heat flows at the center of a mid-ocean ridge?
Which type of rock is represented by coarse sediments and silt in the text?
Which type of rock is represented by coarse sediments and silt in the text?
What layer of the Earth is represented by the outermost layer in the diagram?
What layer of the Earth is represented by the outermost layer in the diagram?
Which factor plays an important role in human lives to differentiate between renewable and non-renewable energy sources?
Which factor plays an important role in human lives to differentiate between renewable and non-renewable energy sources?
What is the least susceptible combination to landslides?
What is the least susceptible combination to landslides?
Between which parts of an egg can the Moho be found?
Between which parts of an egg can the Moho be found?
In which type of rock or soil profile do houses built experience the greatest earthquakes?
In which type of rock or soil profile do houses built experience the greatest earthquakes?
Which of the following factors controls the mass wasting process?
Which of the following factors controls the mass wasting process?
What aspect of energy conservation is human lifestyle highly dependent on?
What aspect of energy conservation is human lifestyle highly dependent on?