G9 GEOGRAPHY QUIZ 1

What is the outermost layer of the Earth called?

• Mantle

• Inner core

• Lithosphere

• Outer core

What is the layer between the lithosphere and the outer core called?

• Mantle

• Inner core

• Lithosphere

• Outer core

Which of the Earth’s layers is the thickest?

• Mantle

• Inner core

• Lithosphere

• Outer core

How thick is the lithosphere?

• 5 - 10km

• 10 - 50km

• 50 - 200km

• >200km

How thick is the crust?

• 1 - 5km

• 5 - 30km

• 30 - 50km

• >50km

In what year was the term ‘plate tectonics’ first used, to explain how the Earth’s continents and oceans were moving?

• 1925

• 1945

• 1965

• 1985

In which direction does the South American plate move?

• Northerly

• Southerly

• Easterly

• Westerly

Plates are thicker below mountains than at other places.

• True

• False

Oceanic plates are thicker than continental plates.

• True

• False

The North American plate and the Eurasian plate are moving towards each other.

• True

• False