When DD went through a phase with this, we came to realize that she felt SHE needed to worry about this and prepare/be responsible. This scared her and she was feeling like she needed to be "in charge" of disaster planning (are we safe now? Do we need to...?) We assured her that WE WERE ON IT (we live in a state prone to some disasters) and she did NOT have to worry about it. It was NOT her job or responsibility. Rather than exhaustively discussing it, I reminded her that we knew more than she did and had done our research and prepared. I think that sometimes bright children are not totally confident that adults know what they're doing. I can remember this feeling myself. When we treate them as equals and say, "Well, but you can do this, and here is what we know, and let me tell you about this method to handle it," that may not be that helpful. It can be a relief to them to be told that we have this under control. I don't guarantee this will work, but try it.
