Pardon our stardust! You've reached our interactive prototype, where we're polishing and adding new content daily!
Unvoiced sounds - speech sounds that are uttered without the vibration of the vocal cords. For example, /s/ is an unvoiced sound.
Reading Universe is made possible by generous support from Jim & Donna Barksdale, the American Federation of Teachers, the Emily Hall Tremaine Foundation, and three anonymous donors.