Press F11
they are in your inventory, they are infinate
Minecraft does not need to update for it to be compatible with Windows 8
yes it does
You can't make a creeper in Mincecraft unless you are in creative mode which you just have to scroll down the window until you see the creeper spawn egg.
I didn't make Minecraft.
Download it from Minecraft's home page, or go directly to the download link found below this answer.
There are no keys in minecraft!
how to make a fire works in minecraft 1.5.2
you can't make a pencil in minecraft, but there mite be a mod for it.
You have to have a mod (modification) to make a cannon. It is not in vanilla minecraft.
By putting sand in the furnace (not the fuel slot) and smelting it to make glass. You can place glass but beware you break it and you can't get it back unlike many other blocks.
If you are using window's, then use the Run program, and type in %appdata% and then run that, and it will bring you to a file containing the .minecraft folder.