Chapter 01 The World of Books
Unit 1 Voices of Africa
Unit 2 Voices of Asia
Chapter 02 The World of Space
Unit 3 Scientists Question Value of Human Spaceflight
Unit 4 Tipping the Scales: Changing Ideas of Space
Chapter 03 The World of Plants
Unit 5 Photosynthesis: The Light of Our Lives
Unit 6 Plant Dominance and the Perfect Flower
Chapter 04 The World of Language
Unit 7 Can You Translate This?
Unit 8 Two Sides of the Language Coin
Chapter 05 The World of the Past
Unit 9 Spreading the Seeds of Early Civilizations
Unit 10 Kingdoms: Kings, Knights, and Battles
Chapter 06 The World of Technology
Unit 11 Getting From Here to There
Unit 12 Plastic Could Fuel US Move Away From Foreign Oil
Chapter 07 The World of Science
Unit 13 Pioneering the Field of Biochemistry
Unit 14 Cracking the Genetic Code: DNA
Chapter 08 The World of Medicine
Unit 15 Battling Bacteria with Antibiotics
Unit 16 Poppies, Pain, and Problems
Chapter 09 The World of Music
Unit 17... Strings to the Past
Unit 18 Five Decades of Jazz Innovations
Chapter 10 The World We Live In
Unit 19 Conqueror or Conquered? The Question of Colonialism
Unit 20 Multiculturalism: From Melting Pots to Mosaics
Chapter 11 The World of Economics
Unit 21 Like Money in the Bank?
Unit 22 Buying into a Globalized Economy
Chapter 12 The World of Psychology
Unit 23 Learning Through Mutiple Intelligences
Unit 24 Savant Syndrome