Podcast
Questions and Answers
What is the primary composition of the Earth's core?
What is the primary composition of the Earth's core?
- Oceanic crust
- Solid rock and pockets of magma
- Mainly metals, such as iron and nickel (correct)
- Tectonic plates
What is the approximate percentage of the Earth's volume that the mantle makes up?
What is the approximate percentage of the Earth's volume that the mantle makes up?
- 90%
- 50%
- 84% (correct)
- 15%
What is the outermost layer of the Earth?
What is the outermost layer of the Earth?
- Lithosphere
- Mantle
- Crust (correct)
- Core
What is the result of the movement of tectonic plates?
What is the result of the movement of tectonic plates?
What is the rate at which tectonic plates move over the surface of the Earth?
What is the rate at which tectonic plates move over the surface of the Earth?
What is the main characteristic of the Ring of Fire?
What is the main characteristic of the Ring of Fire?
What is the result of erosion on passive continental margins?
What is the result of erosion on passive continental margins?
What is the difference between sea canyons and oceanic trenches?
What is the difference between sea canyons and oceanic trenches?
Which of the following continents is nearly completely bounded by passive continental margins?
Which of the following continents is nearly completely bounded by passive continental margins?
What is an example of an emergent coast?
What is an example of an emergent coast?
What is the primary difference between oceanic plates and continental plates?
What is the primary difference between oceanic plates and continental plates?
What feature is typically associated with an active continental margin?
What feature is typically associated with an active continental margin?
What process is responsible for the oceanic crust being melted and recycled?
What process is responsible for the oceanic crust being melted and recycled?
What is the result of the process of subduction at an active continental margin?
What is the result of the process of subduction at an active continental margin?
What is an example of an area with an active continental margin?
What is an example of an area with an active continental margin?
