Currently you can smelt the following ores:
You can also burn wood (of any tree) in charcoal which is used the same as coal).
Also you can smelt sand into glass.
Sorry, but it is impossible to make bedrock in a furnace without using some sort of mod.
You can't.
To access a furnace in minecraft, simply click it!!!! Its that easy!!
There is no steel in minecraft. You're referring to iron, and you need to smelt iron ore in a furnace.
The only thing you can do with Iron Ore in Minecraft is smelt it in a furnace to get Iron Ingots.
No, charcoal is made by burning wood in a furnace.
You get raw beef by killing cows, and you make it into steak by cooking it in a furnace.
By smelting Gold Ore, you produce Gold Ingots.
Cook sand inside of a furnace. Sand not Sandstone.
It's called stone, and you get it by putting cobblestone on a furnace.
Press E. It should leave the furnace GUI.
You have to put a cactus in a furnace and then apply the resulting dye to the wool.