There is no such thing as half of the Earth. If you are referring to half of the spherical shape of the Earth then it will be a hemisphere.
A half of the earths surface is called a hemisphere.
Height above earths surface is called elevation
The atmosphere
globe
Geology
they are called kimberlites and lamprolites.
The half of the Earth's surface that is north of the equator is called the Northern Hemisphere, while the half south of the equator is the Southern Hemisphere.
To the north of the equator is the northern hemisphere, and to the south is the southern hemisphere.
hemisphere.
Height above earths surface is called elevation
Subsidence.
Hemisphere
It is called the crust.
Projection
Magma once it reaches the earths surface is called lava.
Yes
meteoroid
A meteorite.