Rain: water drops Freezing rain: rain that freezes on contact with objects Drizzle: a fine spray of tiny almost invisible water drops that wets Fog: a very fine cloud of tiny water drops that usually doesn't wet Mist: fog lying close to the ground Snow: large flakes of frozen water crystals Ice crystals: individual crystals of frozen water Sleet: a mix of rain and snow Hail: large lumps of frozen water Ice pellets: small pellets of ice Snow pellets: small pellets of dense snow