Each module is about 2 weeks including time to study for module test. add in some time for quarterly tests.. here we go.. they do sell the plans separately.. 1st and 2nd editionhttp://www.mfwbooks.com/products/M50/80/0/0/1#physicalmost of the weeks it is 4 days a week. some 5 day weeks if you do quarterly tests. there is stuff on donna young site toohttp://donnayoung.org/apologia/physical-sci-sched