Block means a brick
survival
A light that is caused by the sun
He is the symbol for Helium in a scientific setting.
Cleavage is a term referring to how a crystal cleaves, that is, fractures when struck.
something about matter color and mass
If you mean changes, it's acceleration.
A roof is a term where you block your opponent's spike and the ball hits the floor immediately
Internal, usually relating to the body or an organ.
The scientific term is 'strata'.
the scientific term says it will grow into columns and plates
The scientific term for plastics is polymers.
That is precisely the scientific term: "ellipse".