______________is the direct source of information about the Earth’s interior.

Convection currents occur in_________.

• Heated mantle material rise from deep inside the mantle, while cooler mantle material sinks, creating a convection current.
• This type of current is responsible for the movements of the plates of Earth's crust.

Select the false statement.

Which of the following statement is correct?

Lithosphere consists of _____________.

• The lithosphere is the coolest and most rigid part of Earth.

___________provides indirect information about the Earth’s interior.

Gravity is an indirect source of Earths interior.

Outer core is present in ________.

_______is the thickness of the oceanic crust.

Choose the correct statement about the source of information of Earth’s interior.

Continental crust consists of ___________.

Continental crust is _____________ than oceanic crust.

• Oceanic crust differs from continental crust in several ways:
• It is thinner, denser, younger, and of different chemical composition.

Magma indicates________.

• Magma is extremely hot liquid and semi-liquid rock located under Earth's surface.
• This magma can push through holes or cracks in the crust, causing a volcanic eruption.

The mean density of material in oceanic crust is____________.

Which of the following property of outer layer inhibits the core from becoming a liquid or gas form?

Mohorovicic Discontinuity is the difference of ______________.

Inner core is made up of solid material because___________.