The layer just below the Earth's crust is called the ____________.
Crust
Mantle
Core
Lava
Right at the centre of the Earth is the ______________.
___________ is also known as lithosphere.
Magma
The Earth's core is divided into _______ parts.
Two
Three
Four
Five
When magma oozes out on the surface is called _____________.
_________ is so hot that it glows bright white.
___________ forms the ocean floor.
SIAL
SIMA
Based on its chemical composition, the crust are divided into ________ layers.
Hot rocks form magma in ________ layers.
Soil
Which one of the following is a direct source of information about the interior of the earth ?
Volcanoes
Earth magnetism
Earthquake waves
Isostacy
