Unit 1Why Do We Eat Popcorn at the Movies? 為什麼看電影要吃爆米花？ Unit 2The Surprising Sahara Desert 神秘的撒哈拉沙漠 Unit 3Unique and Magical Event—The Midnight Sun獨一無二的自然奇觀──午夜太陽 Unit 4The Wright Brothers: A Great Team 萊特兄弟：帶領世界飛向天際 Unit 5Junk Art: Turning Trash into Works of Art 垃圾藝術：廢品的華麗變身 Unit 6Do as the Italians Have Slow Meals 義大利人的慢食主義 Unit 7Celebrate the Spring with the National Cherry Blossom Festival 春季賞櫻盡在華盛頓國家櫻花節 Unit 8Child Labor in Cocoa 巧克力工廠的童工問題 Unit 9Bananas Are Not Healthy for Monkeys 原來猴子不該吃香蕉？！ Unit 10Every Day is Bread Day 美味麵包伴你每一天 Unit 11Face Mask Culture 口罩文化，東西大不同 Unit 12Animal Communicators Are Here to Help新興行業：動物溝通師 Unit 13Holi: The Festival of Colors 印度侯麗節──色彩繽紛的慶典 Unit 14Learning to Get Along with Others 與人和睦相處 Unit 15Plastic is Polluting Our Lives and the World 塑膠汙染：全球的共通課題
