I am going to be using an ISN for Science this year. I purchased pre written notes from IRN Corp. They have created all the notes linked to the Viriginia SOLs.
http://www.irncorp.com
I tried this strategy a few years ago and was overwhelmed created all the note pages. The notes are a little pricy, but I think it is worth the time savings for me. They do not have samples on their website, but I reeived mine and they look great. Each page of notes also has a teachers guide with what the kids should be doing to the page, and questions to deepen their comprehension.
I plan to use these notes with other labs to reinforce the material.