Long Vowel Sounds 31.2a /ā/ sound The Wonders of the Human Body Ngorongoro Crater, Tanzania Oink, Boink, Doink, and Huffo the Tougho Speed, Velocity, and Acceleration The Australian Aboriginal People Jewels, Gemstones, and Birthstones Long Vowel Sounds 34.3 /ō/ sound Shapes-Easy Reader Part 1