You just answered your own question.
Glass
'un verre'
With a spell
The correct spelling/grammar is magnifying glass.
The correct spelling is "pour"
A section of glass in a window is spelled pane.
Simply drink water from the back of a glass (your mouth reaching of the top of the side of the glass facing you).
There is one at the L'ouvere in Paris. (did I spell that right?)
A drinking glass is 'un verre'. The glass (material) is le verre / du verre (masc.) in French.
sur la verre est sur la table -- the glass is on the table
Generally speaking, plexiglass is written as a single word - though otherwise you have spelt it correctly.
The only likely word is marbles (glass or ceramic spheres used in marble games).
The word is spelled different. The different colors of glass were amazing. The two boys were different but very similar.