Podcast
Questions and Answers
What is the characteristic of oceanic crust?
What is the characteristic of oceanic crust?
- Low density and similar to granite in composition
- Brittle and less ductile due to added heat
- High density and identical to basalt in composition (correct)
- Found only under continents
What is the Mohorovičić Discontinuity (Moho)?
What is the Mohorovičić Discontinuity (Moho)?
- A tool used to study seismic waves
- A type of rock formation
- A boundary between the crust and mantle (correct)
- A type of earthquake wave
What is the approximate depth of the Moho under the oceans?
What is the approximate depth of the Moho under the oceans?
- 20 km
- 5 km (correct)
- 10 km
- 30 km
What is the approximate depth of the mantle?
What is the approximate depth of the mantle?
How do we know most of what we know about the mantle?
How do we know most of what we know about the mantle?
What is the composition of the Earth's core?
What is the composition of the Earth's core?
What is the process responsible for the movement of tectonic plates?
What is the process responsible for the movement of tectonic plates?
What is the term used to describe the boundary between tectonic plates?
What is the term used to describe the boundary between tectonic plates?
What is the result of the movement of tectonic plates at fault lines?
What is the result of the movement of tectonic plates at fault lines?
What is the pattern of earthquakes and volcanoes around the Pacific Ocean basin known as?
What is the pattern of earthquakes and volcanoes around the Pacific Ocean basin known as?