How to craft glass in Minecraft

For my next tutorial

Purpose: You can use it as a window in your house or for decoration purposes.

Resources: Sand and wood planks or any source that can be use for your fuel

One sand will yield one glass. You can find lots of sand in the desert. You can also find few sands near ponds or rivers.

Once you have your needed amount of sand. You can proceed in your furnace to start cooking and create your glass.

YOU NOW HAVE A GLASS IN MINECRAFT!