PBS

PBS PhD Science Level 5 Module 4 Lesson 23

In Lesson 23, students answer the Phenomenon Question: How does the night sky change throughout a year? Students model their findings and construct an explanation (SEP.6) of how changes in ...
PBS

PBS PhD Science Level 4 Module 4 Lesson 9 Part 2

In Lesson 9 part 2, students continue to make observations (SEP.3) about the relationship between the color of light and the color of objects (PS4.B) to determine how these factors affect (CC.2) what ...