Podcast
Questions and Answers
What is the main cause of plate movement?
What is the main cause of plate movement?
- The convection of liquid metals in the outer core
- The movement of the Earth's mantle
- The convection currents in the Earth's mantle (correct)
- The movement of the Earth's inner core
What is the composition of the inner core?
What is the composition of the inner core?
- Solid rocks
- Liquid metals such as iron and nickel
- Partially melted rock
- Solid iron and nickel (correct)
What is the temperature of the inner core?
What is the temperature of the inner core?
- Up to 10,000°C
- Up to 15,000°C
- Up to 5,500°C (correct)
- Up to 2,000°C
What is the result of the plates moving at their boundaries?
What is the result of the plates moving at their boundaries?
What is the layer of rock beneath the Earth's plates?
What is the layer of rock beneath the Earth's plates?
What is the role of the inner core in the Earth's system?
What is the role of the inner core in the Earth's system?
What is the average thickness of the Earth's crust?
What is the average thickness of the Earth's crust?
What is the primary cause of earthquakes and volcanoes?
What is the primary cause of earthquakes and volcanoes?
What is the main composition of the outer core?
What is the main composition of the outer core?
What is the result of the movement of the tectonic plates over a long period of time?
What is the result of the movement of the tectonic plates over a long period of time?
What is the layer of the Earth where the tectonic plates float?
What is the layer of the Earth where the tectonic plates float?
What is the percentage of the Earth's mass that the outer core makes up?
What is the percentage of the Earth's mass that the outer core makes up?
What happens when the edge of one plate slides under another plate?
What happens when the edge of one plate slides under another plate?
What is the result when the stress on the edge of a plate overcomes the friction?
What is the result when the stress on the edge of a plate overcomes the friction?
What is formed when magma cools and hardens on the Earth's surface?
What is formed when magma cools and hardens on the Earth's surface?
What is the main reason why most volcanoes are located along tectonic plate boundaries?
What is the main reason why most volcanoes are located along tectonic plate boundaries?
What is the process by which the melted rock beneath the plates rises up to form new crust?
What is the process by which the melted rock beneath the plates rises up to form new crust?
What is the term for the rock that is melted due to the high temperatures at the Earth's core?
What is the term for the rock that is melted due to the high temperatures at the Earth's core?
