Plate Tectonics (Junior Cert Geography): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What are plates?
What are plates?
Large, rigid pieces of Earth's crust
What causes the movement of tectonic plates?
What causes the movement of tectonic plates?
Convection currents in the mantle
What are convection currents?
What are convection currents?
Circular movements of hot magma
What happens in the first stage of convection currents?
What happens in the first stage of convection currents?
Magma heats up, expands, and rises
What happens when magma reaches the base of the crust?
What happens when magma reaches the base of the crust?
It spreads out, dragging plates
What is the gap called where plates separate at constructive boundaries?
What is the gap called where plates separate at constructive boundaries?
Fissure
What features form at constructive plate boundaries?
What features form at constructive plate boundaries?
New land, volcanoes, mid-ocean ridges
Which is an example of a constructive plate boundary?
Which is an example of a constructive plate boundary?
Mid-Atlantic Ridge
What happens at a destructive plate boundary?
What happens at a destructive plate boundary?
Plates collide, one sinks below
Which is an example of a destructive plate boundary?
Which is an example of a destructive plate boundary?
Andes Mountains in South America
What is the main feature of passive plate boundaries?
What is the main feature of passive plate boundaries?
Earthquakes only
Who proposed the Theory of Continental Drift and when?
Who proposed the Theory of Continental Drift and when?
Alfred Wegener in 1912
What was the supercontinent that existed 200 million years ago called?
What was the supercontinent that existed 200 million years ago called?
Pangaea