You make one with 8 cobblestone.
Recipie:
X = Cobblestone
O = Nothing
XXX
XOX
XXX
To access a furnace in minecraft, simply click it!!!! Its that easy!!
Press E. It should leave the furnace GUI.
Just dig and keep digging until you find iron ore then smelt it in a furnace to get iron.
You can't...
When you mine regular 'smooth' stone, you get cobblestone. This can be converted back to smooth stone by smelting it in a furnace.
You automatically get 1
Smelt Cobblestone in your furnace.
yes
Burn cactus in a furnace.
To make a furnace cart in Minecraft, you need a furnace and a minecart. First, craft a furnace using eight cobblestones in a crafting table. Then, create a minecart using three iron ingots arranged in a row at the bottom of the crafting grid. Finally, combine the furnace and the minecart in the crafting table to create the furnace cart.
You put cobblestone in a furnace with something to cook it with
You put sand in a furnace