To the Instructor Acknowledgments Unit 1 Inventions and Inventors Lesson 1 The Zipper Lesson 2 The Postage Stamp Lesson 3 Pencils and Pens Lesson 4 The Umbrella Lesson 5 The Metric System Word Study Extension Activities Video Highlights: CNN Video, An International Stamp-Making Company Activity Page Dictionary Page Unit 2 Sports Lesson 1 Thai Boxing Lesson 2 Sumo Wrestling Lesson 3 Tarahumara Foot Races Lesson 4 Olympic Sports Lesson 5 Great Athletes Word Study Extension Activities Video Highlights: CNN Video, Scrabble-More Than A Game Activity Page Dictionary Page: Stress and Pronunciation Unit 3 Food Lesson 1 The Puffer Fish Lesson 2 Foods from Around the World Lesson 3 Chocolate Lesson 4 The Blue Revolution Lesson 5 Twenty-One Days Without Food Word Study Extension Activities Video Highlights: CNN Video, The Puffer Fish A Gourmet Japanese Food Activity Page Dictionary Page: Parts of Speech Unit 4 Mysteries Lesson 1 The Marie Celeste Lesson 2 The Roanoke Settlement Lesson 3 The Easter Island Statues Lesson 4 The Tunguska Fireball Lesson 5 Mystery of the Monarchs Word Study Extension Activities Video Highlights: CNN Video, Modern-Day Easter Island Activity Page Dictionary Page: Information Usage Unit 5 Business Lesson 1 The History of Money Lesson 2 Mase Marketing Lesson 3 Information Lesson 4 Doing Business Around the World Lesson 5 Plastic Money] Extension Activities Video Highlights: CNN Video, Coca Cola- An International Organization Activity Page Dictionary Page: Capitalization and Abbreviation Vocabulary Skills Index Irregular Verbs