Structure of the Earth Quiz

What is the correct order of Earth's layers from innermost to outermost?

• Crust, mantle, outer core, inner core

• Inner core, outer core, mantle, crust

• Crust, inner core, outer core, mantle

• Inner core, crust, mantle, outer core

Which is the thinnest layer of the Earth?

• Mantle

• Outer core

• Crust

• Inner core

The Earth's mantle contains:

• Plates

• Fossils

• Molten rocks (magma)

• Solid iron

What causes magma to form beneath the Earth's surface?

• Low temperatures

• High pressures

• High temperatures

• Cold gases

What state are the rocks in the mantle due to the heat from the core?

• Solid

• Liquid

• Gaseous

• Molten

The hottest layer of the Earth is:

• Crust

• Mantle

• Inner core

• Outer core

The temperature of the Earth's outer core ranges from:

• 500℃-1000℃

• 1000℃-3000℃

• 4000℃-5000℃

• 6000℃-7000℃

Which layer of Earth is just beneath the crust?

• Inner core

• Outer core

• Mantle

• Plates

What is a volcano?

• A mountain full of rocks

• A mountain with a vent that releases magma and gas

• A hill with trees

• A tectonic plate

Which part of a volcano does magma escape from?

• Lava

• Mantle

• Crater

• Core