it is the outer core
the inner core
Mantle
It's called the liquid iron and nickel of the outer core. There is no layer of melted rock near the center of the Earth.
regolith, outer layer of the earth is made of rock and soil.
Melted rock beneath the earth is called magma.
The lithosphere
Intrusive rock. The prefix in-helps to remember that it is made inside the earth.
The second layer
The mantle
crust and mantle
Well, the earth's crust is like hot rock, but not melted.
mantle