Topic 1: Tectonic Processes & Hazards (Edexcel A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main rock type that makes up oceanic crust?
What is the main rock type that makes up oceanic crust?
Basalt
What is the temperature at the base of the Earth's crust?
What is the temperature at the base of the Earth's crust?
400°C
Which rock type makes up the mantle?
Which rock type makes up the mantle?
Peridotite
What percentage of the outer core is iron?
What percentage of the outer core is iron?
88%
What is the temperature of the Earth's inner core?
What is the temperature of the Earth's inner core?
7000°C
What drives the convection currents in the mantle?
What drives the convection currents in the mantle?
Heat from the Earth's core
How often does the Earth's magnetic field direction change?
How often does the Earth's magnetic field direction change?
Every 100,000 years
At destructive boundaries, which plate is subducted?
At destructive boundaries, which plate is subducted?
The denser oceanic plate
What is the Benioff zone?
What is the Benioff zone?
An area of seismicity
Where does seafloor spreading occur?
Where does seafloor spreading occur?
At divergent boundaries under oceans