Hey, arguing over religion and philosophy is not the point of this thread and nor is it the point of this forum. If you really want to argue over that, please do it elsewhere.
That being said, for physics, try and pick up a copy of a different physics book. I went to a Christian school through high school (and am at a Christian university), but we never used the Christian-based science textbooks after junior high school because they don't teach as well as the secular ones. (Hoorah for Saxon math... <--sarcasm)
In high school, you'll find that a decent number of teachers teach classes that aren't directly in their discipline. A lot of the overlapping happens in the sciences because almost all chemistry programs require at least a year of general physics, as do many biology classes. Also, someone who gets his degree in chemistry can easily have either a biology or physics minor or vice versa. (For comparison, I'm a chemistry major and have to take six semesters of physics.)
Another thing that you could look into is an after-school peer tutoring program. If there is a university nearby, chances are that there's a uni physics student who will be willing and able to tutor physics after school. Getting an alternate explanation can help a lot and a lot of second or third year uni students have taken enough classes in their discipline to have a decent knowledge about what's going on. Last year, I tutored someone in high school chemistry as a first year student and that worked out well.
On the note of being pessimistic about physics... I have not had a good experience in physics as of yet and I am still a physics student who enjoys it (despite the hell I went through in my high school physics class!).
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Itaque incipet.
All that glitters is not gold but at least it contains free electrons.