Post Assessment- Interior of the Earth

The two crustal layers are _______________ and _______________ .

• Inner and outer crust

• Mantle and core

• continental and oceanic crust

The ___________ layer lies beneath the crust.

• Mantle

• Oceanic and continental

• volcanic

The innermost layer of the Earth’s interior is the ___________.

• Mantle

• Crust

• Core

• Magma

The _________ and the ________ are the layers of Mantle.

• upper mantle

• Central mantle

• Crust

• Inner mantle

• outer Core

It is estimated that the temperature at the centre of the Earth is as high as ________degree Celsius.

• 6000

• 60

• 60000

• -6000

Most of our knowledge about the interior and structure of the Earth is based on _________ sources.

• Direct

• Indirect

The main sources of information about the interior of the Earth are __________, ___________ and _______________ .

• Volcanic eruptions

• Seismic waves

• meteorites

• All of the above