PART 1 Unit 01. Confucius Unit 02. Traveling the Silk Road Unit 03. The Birth Order Theory Unit 04. Desert Adaptations in Camels Unit 05. Walking for the Mind and Body
PART 2 Unit 06. Greece's Powerful City-States Unit 07. The History of Chess Unit 08. Genetics Unit 09. The Stages of Sleep Unit 10. Math in Nature and Art
PART 3 Unit 11. The History of the Potato in Europe Unit 12. Great Britain's Industrial Revolution Unit 13. The Physics of a Roller Coaster Unit 14. Jellyfish Unit 15. Loanwords
PART 4 Unit 16. The Boston Tea Party Unit 17. The Creation of the Euro Unit 18. Lunar and Solar Eclipses Unit 19. Why Study Shakespeare? Unit 20. Euclid, the Father of Geometry
