Answer:
I am heavy forward, but backward I'm not. What am I?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
The letter S is added to pluralise most words in the English language. eg. Letter to Letters Word to Words and Language to Languages. But I am a word that is pluralised with the addition of the letter C.
I plow and plow, but never sow. What am I?
I'm a god a planet and a measurer of heat. Who am I?
When is it bad luck to see a black cat?