We have been working through Apologia Biology and my son finds the reading very interesting. As he reads he is working on written narrations explaining what he learned, what he found interesting and his own opinions on different topics and material.
I found this really great resource that really helps me do just that. The resource link is called Serendip and is by Dr. Ingrid Waldron and Dr. Jennifer Doherty who are out of the University of Pennsylvania.
Their topic sequence can be used for Biology learning and/or used in conjunction with a spine you have chosen for learning these principles. I thought it might work nicely with what we are doing and I am looking forward to having my teen work through this site.
You can also subscribe to their list so that when new activities become available you will be emailed of them at that time. Also be sure to check out the Additional Activities to see a plethora of things to explore.
We just can't wait to get started on some of these. And if you really want to dive in deeper check out the other topics; Playground, Brain & Behavior, Complex Systems, Science Education, and Science & Culture. I hope you find the site as interesting as we do~
*update: one more resource I would like to share is a non profit organization that is called The Teaching Channel. It has videos to view for all grade levels (including highschool) and is free when you sign up. It is funded by the Gates Foundation.
Other Resources to use:
Wellcome Trust Sanger Institute: yourgenome.org
Lehigh University: Biology Web links ( pls note, there are a few that are no longer valid but many are still very useful)
Happy Science Learning!