Lesson 2 focuses on word knowledge, spelling, and vocabulary. It introduces spelling words and their definitions, including neighbor, weigh, eighth, crayon, sway, strayer, ase, female, male, state, grain, trail, bacon, basement, chamber, midday, claim, sailed, brave, and plains. Students are given sentences to demonstrate the use of the vocabulary words unprotected, watched, and mysterious. The sentences describe wildlife being unprotected off a game reserve, a lion being watched, and a mysterious world beyond some hills.