What is the outermost layer of the Earth called?

Which layer lies directly beneath the Earth’s crust?

What is the hottest layer of the Earth?

What is the Earth's core mainly made of?

Which layer of the Earth is liquid?

What do scientists call the solid part of the upper mantle and crust together?

Which layer allows tectonic plates to move?

What tool do scientists use to study Earth's interior layers?

Which layer of the Earth generates Earth's magnetic field?

Why can we not dig to the Earth's core?