The rhyme scheme of "Fire and Ice" follows an AB A A C B C pattern. This structure pairs words like "fire" with "desire" and "ice" with "hate," reinforcing the duality of the destructive forces represented in the poem. The alternating scheme creates a balanced rhythm that mirrors the contrasting ideas—intense passion versus cold indifference. By linking these concepts through sound, Frost deepens the reader's understanding of how both extremes in human nature can be equally catastrophic, ultimately enhancing the poem's central argument about the potential end of the world.