Unit 1 Animals
1. The Kiwi
2. The Camel
3. The Polar Bear
4. The Hippopotamus
5. The Dolphin

Unit 2 How? Why?
1. Why Are Elevators Important?
2. Why Is the Sea Salty?
3. How Can a Plant Kill?
4. How Can We Have Farms in the Sea?
5. How Do Hearing-Impaired People Talk?

Unit 3 Plants
1. The date Palm
2. The Water Hyacinth
3. Rich
4. Oranges
5. Guayule

Unit 4 Popular Music
1. Classical Music
2. Blues and Jazz
3. Rock and Roll
4. Country Western Music
5. Latin Music and Salsa

Unit 5 Occupations
1. An Environmental Engineer
2. A Human Resources Manager
3. A Computer Information Specialist
4. A Firefighter
5. A Chimney Sweep
Unit 6 Interesting People of the World
1. The Sami of Northern Europe
2. The Ainu of Japan
3. The Yanomani of the Amazon
4. The Hopi of Arizona
5. The Maori of New Zealand

Unit 7 Exploration and Adventure
1. The Polynesians
2. A Giraffe in Central Asia
3. The First Woman on Mount Everest
4. The European Raja of Sarawak
5. The Iditarod