You can find past papers via this link to the AQA website:
http://www.aqa.org.uk/qual/gceasa/phya_assess.html
The "brockbankrevision" website deals with Units 1, 2 and 3, which will need revising for the Upper Sixth synoptic module 10.
This blog contains a link to the Upper Sixth site for Units 4 and 5.
