Everything is a "scientific thing." Science is the way we understand and explain what's going on in the universe around us.
the only variables in an experiment are the independent variables [the thing in an experiment your going to change. and the dependent variables [the thing in an experiment your going to measure.
Everything inside a cell is not really one thing, but a bunch of parts. The substance that these parts are floating around in is the cytoplasm, but the core or center of a cell is the nucleus. The "powerhouse" of the cell is the mitochondria, etc. There are numerous parts to a cell, and it depends on if you are talking about a plant cell or an animal cell.
They both mean the same thing, but one is a lot nicer.
Analogy
A stretcher, or litter.
So far, there is no such thing as "Naruto Akkipuden", which would be a sequel of sorts to Shippuden. There are only rumors floating around that it's going to happen.
A sheath is used to carry a knife; if the knife is very large, this might be called a scabbard.
It's called a gurney.
The thing that the water goes into is called the drain. And the thing you put in it to stop is called a plug.
The goat "thing," is called Baphomet.
One thing girls should always carry with them is a purse! Dont go anywhere without a purse unless your just going somewhere close by,you never know when you will need your purse!
it this silver thing that you wind this thing up on one side and while you wind it it is going around the can opening it
Xbox 720, We Thing :P
It's called a "Spirograph".
a MASK (???)
The best thing to do is talk to him how you feel when he around other girls ! (: