Answer:
It can be clear like water, but it burns like fire.
What goes up and down without moving?
What occurs once in a minute, twice in a moment and never in one thousand years?
Some adults still use these to count.
I'm a long curved fruit that grows in clusters and has soft pulpy flesh and yellow skin when ripe.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?