Tectonic Hazards (OCR GCSE Geography A (Geographical Themes)): Flashcards
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State of inner & outer core
State of inner & outer core
Inner core: solid, Outer core: liquid
The mantle
The mantle
Semi-molten rock moving slowly around core
Earth's outer layer
Earth's outer layer
The crust
Tectonic plates
Tectonic plates
Slabs that the crust is divided into
Two types of tectonic plates
Two types of tectonic plates
Continental and oceanic
Where plates meet
Where plates meet
Plate boundary or plate margin
What causes plate movement?
What causes plate movement?
Convection currents in the mantle
What generates convection currents?
What generates convection currents?
Radioactive decay in the core
When convection currents diverge
When convection currents diverge
Plates move apart
When convection currents converge
When convection currents converge
Plates move towards each other