The Planets in Our Solar System: solar system, easily, farther, main, dim,
temperatures, telescope, probably, meteoroids, asteroids, satellite, comets
What's in Store for the Future?: objects, entertainment, predictions,
computers, natural resources, pollutes, wastewater
Wolf!: passion, admire, concentrate, splendid, bothering, dangerous, ached,
reputation, offspring, den, communicate
The Strongest One: securing, gnaws, decorated, symbol, darkened, weakest, narrator
The Perfect Pet: appetite, scratch, satisfy, challenge, perfect, manage,
healthy, protectively, prickly, snuggling
Penguin Chick: fierce, whips, echoes, shuffles, huddle, junior, down,
webbed, rookery, flippers