so what happens to our soul?
What makes you imagine souls exist?
We cannot confirm definitively that we have a soul. But even more importantly there is no evidence even to purport the hypothesis. Saying that "something" happens to our soul when we die is akin to saying "something" happens to fairies when I clap my hands three times. Before I can assert something about the nature of fairies I must first provide evidence for the existence of fairies. You can't go asking what happens to our soul before you have evidence for the existence of a soul. Of course you could speculate but that's all it would be.
"Because The Bible tells me so."
What's a soul? and what makes you think we have one?
Pretty much what Ray says. We cease to be and the atoms of which we were made get recycled into something else.
how could the soul be created by us? we have a conscience and feelings.
What exactly do you think is your soul?
It isn't your mind, because people who have suffered brain injuries find that their thought processes are altered - they can remember names of fruits, for example, but not people. In more severe brain injuries, they can have complete personality changes. In appalling brain injuries, they can be reduced to complete idiotic status. So the mind is clearly a physical thing, affected by physical conditions. Death represents the total destruction of the brain - it would be bizarre to think it would suddenly reassemble a 'mind' for onwards transmission into an 'afterlife'.
If such an abstract concept as a soul were to exist, by definition it could have no physical attributes. It would be invisible, have no mass or matter, and just float around. How would it interact with your physical mind? What would be its evolutionary purpose?
As far as science has been able to study the brain, it generates billions of electrical impulses and these combinations, when coupled with genetic code and physical experience and memory, give an illusion that we have a unified mind/spirit/essence.