UNIT THREE POPULAR SCIENCE TECHNOLOGY Before-class Assignments: 1. Students should have read the two passages in "Part I Read and Think' o 2. Students should have watched the two videos in "Part II Listen and SeeUNIT THREE POPULAR SCIENCE & TECHNOLOGY Before-class Assignments: ◦ 1. Students should have read the two passages in “Part I Read and Think”. ◦ 2. Students should have watched the two videos in “Part II Listen and See