Answer:
I. Cinquain:
Rain
Refreshing, Soothing
Falling, Cleansing, Nourishing
Nature's gift from the skies
Precipitation
II. Shaped Poem (with initial "S"):
Swiftly, silently
Swirling, shimmering, shifting
Silver stars sparkle, shine
Sky stretching, softly sighing
Sensational scenery surrounds
Soothing serenity seen
Simplicity, serene satisfaction