HI,
I forget to ask you, which kind of children do you want to help, for example, refugee children from Syrian war or SOS children?
Anyway i found the website of SOS, and the have three location in Jordan: Amman, Aqaba and Irbid, where i live now...
Their website is:
Also i have an amazing website, which contains all social organisations in Jordan including children; it is also available in English
Guide to civil society organization in Jordan
i hope that you find what you are eager to...
Regards