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 3 Module 4 Lesson 11 Part 2

In Lesson 11 part 2, students continue to explore forces. Students use evidence (SEP.3) gathered in the Atwood machine investigation in part 1 to explain how the strength and direction of a force ...