制作爆米花含有firat,next,then,finally的表示过程的词的英语作文如下：

Pop Corns Making.

Most of the children enjoy having pop corns.Even some grown-ups take pop corns as their snack.But not everybody know how to make or cook it.I'd like to give you some tips on how to make it by yourself.First,you can buy some raw material which is usually freezed in the super-market.Next,just put it into your micro-wave oven,then,fix the time of cooking.Perhaps,in 5 minutes,you will get the pop corns.Finally,you take it out and you can enjoy it.