- 课时1：Lesson 1 History of Valentine's Day
- 课时2：Lesson 1 History of Valentine's Day - class video 10:28
- 课时3：Lesson 1 History of Valentine's Day - quiz
- 课时4：Lesson 2 How to understand and read graphs
- 课时5：Lesson 2 How to understand and read graphs 12:55
- 课时6：Lesson 2 How to understand and read graphs - quiz
- 课时7：Lesson 3 Space Exploration
- 课时8：Lesson 3 Space Exploration 09:53
- 课时9：Lesson 3 Space Exploration - quiz
- 课时10：Lesson 4 States of Matter
- 课时11：Lesson 4 States of Matter 11:02
- 课时12：Lesson 4 States of Matter - quiz
- 课时13：Lesson 5 What is a flat earther
- 课时14：Lesson 5 What is a flat earther 11:33
- 课时15：Lesson 5 What is a flat earther - quiz
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