Link to a South Carolina 32 page pdf on teaching 8th grade students about geologic time:
ftp://ftpdata.dnr.sc.gov/geology/Education/PDF/Geologic%20Time.pdf
Lind to a short pdf on geologic time from the United Kingdom aka Great Britain aka England:
http://www.bbc.co.uk/nature/history_of_the_earth
Link to a great little video!
https://www.youtube.com/watch?feature=player_detailpage&v=r10oh1NHKv4#t=70