Read Up on Content Aeras 3-A

PARTⅠ
Unit 1 Greek Philosophers of the Golden Age
Unit 2 The Age of Discovery
Unit 3 Our Shifting Earth
Unit 4 Dance Language Among Honey Bees
Unit 5 The Invention of the Modern Printing Press

PARTⅡ
Unit 6 Decoding the Rosetta Stone
Unit 7 The Great Depression
Unit 8 Understanding Hurricanes
Unit 9 What Are GMOs?
Unit 10 The History of Salt