What month of the year has 28 days?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

I have an eye but still cannot see.

Who am I?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?