The links provided on this page will take you to online resources that will help you prepare for NYS Regents exam in earth science.
The link below is for old Regent's exams, complete with answer keys.
http://www.nysedregents.org/testing/scire/regentearth.html
The links below contain various activities to help you prepare for the Regent's exam.
http://regentsprep.org/Regents/earthsci/earthsci.cfm
http://schools.nycenet.edu/d75/his/regents.htm
http://www.newyorkscienceteacher.com/sci/files/es.php
http://www.regentsreviewlive.net/ (Streaming video review)
http://www.edusolution.com/regentsquiz/earthscience/quiz1/frame1.htm
http://www.edusolution.com/regentsquiz/earthscience/quiz2/frame1.htm