Answer:
I am heavy forward but backward I am not. What am I?
I can speak with my hard metal tongue. But I cannot breathe, for I have no lung. What am I?
I'm not a bird but I can fly through the sky. I'm not a river but I'm full of water.
In all the world, none can compare, I am a tiny weaver; my deadly cloth so silky and fair. What am I?
I may only be given but never bought. Sinners seek me but saints do not. (one word).
A little house full of meat, no door to go in and eat.