Chapter 1. Transportation
Unit 1. How We Travel
Unit 2. Move like Animals
Unit 3. Riding a Bike Safely
Unit 4. Going to the Library
Chapter 2. The Sea
Unit 1. Life in a Fishing Village
Unit 2. A Story of the Sea
Unit 3. A Painting of the Sea
Unit 4. Waste Shark
Chapter 3. Diamonds
Unit 1. Why Are Diamonds So Special?
Unit 2. I Am Stronger Than You
Unit 3. Diamonds in Cities
Unit 4. Triangles in a Diamond
