Unlocking a lesson for a student allows them to modify their answers and data tables in the Experimentation section, but does not allow them to change their answers in the Evaluation section. Customer Service can reset the Evaluation section if needed. There is currently no way to reset Exploration content.
This is the front page of your course.
2. Select the appropriate lesson by hovering over the green dots that correspond to individual lessons.
The name of each lesson will display as you hover over different dots.