Answer:
I grow for a surface, even if you cut me. I continue to grow even after death.
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?