Slab pull means the movement of tectonic plates due to currents in the mid-mantle, this causes subduction.
The scientific definition of force is: the push or pull of an object.
survival
The scientific term for charges in motion is electric current.
He is the symbol for Helium in a scientific setting.
A light that is caused by the sun
Block means a brick
The term means 'to pull the knot up tight, but not TOO tight'.
something about matter color and mass
Internal, usually relating to the body or an organ.
The answer to the cryptic clue "babies on the slab" is likely "ribs." In this context, "babies" can refer to "ribs" as a slang term for children, and "on the slab" suggests a reference to the butcher's term for meat cuts. Thus, the wordplay cleverly combines the two meanings.
"pull" is a venacular British term to mean: date/get off with/sucessfully find a partner or lover. So "Do you want to pull" is asking if you wish to do so - i,e, get off with some one.
It means to stop suddenly, not to get to the goal. To pull up is a horse riding term meaning to pull on the reins to make the horse stop.