Geography class test 1

A _______ ______ is an extreme event in the the nature

What is the name of the blue layer?

• crust

• mantle

• core

What is the name of the orange/dark brown layer?

• crust

• mantle

• core

What is the name of the yellow layer?

• crust

• mantle

• core

How thick is the continental crust

• 40 - 80 km

• 10 - 20 km

• 30 - 70 km

• 1 - 10 km

How thick is the oceanic crust?

• 30 - 50 km

• 10 - 20 km

• 30 - 70 km

• 5 - 10 km

How thick is the mantle?

• about 2,100 km

• about 2,900 km

• about 1,800 km

• about 3,000 km

How thick is the inner core?

• about 2,100 km

• about 1,500 km

• about 1,200 km

• about 1,000 km

How thick is the outer core?

• about 2,200 km

• about 2,700 km

• about 1,800 km

• about 1,900 km

What is the radius of the Earth under the Himalayas? And how do you calculate it?

• r = 6370 km

  (6300 km)

• continental crust + mantle + outer core + inner core

• r = 7630 km

  (7600 km)

• continental crust + oceanic crust + mantle + outer core + inner core

Answer explanation

70 km + 2,900 km + 2,200 km + 1,200 km