Answer:
When the creeper passes, all the grass kneels
A red drum which sounds without being touched, and grows silent, when it is touched.
In marble halls as white as milk, lined with a skin as soft as silk. Within a fountain crystal-clear. A golden apple doth appear. No doors there are to this stronghold, yet thieves break in and steal the gold.
You can only have it once you have given it.
What word looks the same upside down and backwards?
I will disappear every time you say my name.