Chapter 1. Color
Unit 1. How Do We See Colors?
Unit 2. Purple, the Royal Color
Unit 3. The Three Primary Colors
Unit 4. Eating by Color
Chapter 2. Bread
Unit 1. What Makes Bread Soft?
Unit 2. Breads from Around the World
Unit 3. Painter's Bread
Unit 4. Why Are Pizzas Round?
Chapter 3. Gold
Unit 1. Gold and Copper
Unit 2. Finding a Solution with Gold
Unit 3. Klimt's Golden Paintings
Unit 4. The King's Gold