Crossword puzzle clue "anxiety source suggested by this puzzle's title"

Anxiety source suggested by this puzzle's title

Psalm 100 excerpt suggested by six puzzle answers and graphically represented by certain black squares in this puzzle

Somewhat family-friendly ... or a title for this puzzle, as suggested by the completed grid?

With only slight provocation ... as suggested by some black squares in this puzzle

___ to school . . . or a hint to the puzzle theme suggested by the ends of five answers

Party staple suggested by connecting this puzzle's special squares

Fighting venues suggested by this puzzle's circles

Kind of puzzle suggested by this crossword's theme