Earth's Layers Quiz

What is the uppermost layer over the earth's surface called?

• Core

• Crust

• Outer core

• Mantle

What are the main mineral constituents of the continental mass?

• Silica and Magnesium

• Silica and Alumina

• Alumina and Iron

• Nickel and Iron

What is the thinnest layer of the earth's surface?

• Mantle

• Core

• Outer core

• Crust

What is the main composition of the core?

• Silica and Alumina

• Alumina and Iron

• Nickel and Iron

• Silica and Magnesium

What is the depth of the mantle below the crust?

• 35 km

• 5 km

• 2900 km

• 3500 km

What is the main composition of the oceanic crust?

• Silica and Magnesium

• Silica and Alumina

• Nickel and Iron

• Alumina and Iron

What is the innermost layer of the earth?

• Mantle

• Crust

• Core

• Outer core

What is the radius of the core?

• 2900 km

• 3500 km

• 5 km

• 35 km

What is the temperature and pressure like in the central core?

• Low temperature and pressure

• Extreme temperature and pressure

• High temperature and pressure

• Moderate temperature and pressure

What is the abbreviation for the main composition of the continental mass?

• FE-NI

• SIAL

• NIFE

• SIMA