PBS

PBS PhD SCIENCE Level 3 Module 4 Lesson 11 Part 1

In Lesson 11 part 1, students explore forces to answer the Phenomenon Question: What can change an object’s motion? Students use an Atwood machine to begin to gather evidence (SEP.3) to explain how ...
PBS

PBS PhD Science Level 4 Module 4 Lesson 2 Part 2

In Lesson 2 part 2, students ask questions (SEP.1) about the factors that may have affected Amelia Earhart’s ability to find Howland Island. Students use their questions to develop a driving question ...