How to use "scientific" in a sentence

The faith that he was beginning to question was not religious, however, but scientific.

Fluorescent tubes shed cold light over banks of computers and over worktables laden with journals, charts, file folders, scientific instruments, and two coffee mugs.

Of course, when that was accomplished, Danny was of no more scientific value

It must be, if scientific thinking is correct, older than our world, and life on its surface began a long time before this Earth cooled down

I knew of a scientific expedition to Honduras.