Student progress is automatically saved so that STEM Cases can be completed over multiple sessions.
|Middle School Free||This version is for middle school classes.||45-50 min|
|Elementary School Free||This version is for elementary school classes.||40-45 min|
Most content from the Expanded Handbook is included in the corresponding STEM Case.
|Elementary School||This is the same as the handbook in the elementary case.||15-20 min|
|Middle School||This is the same as the handbook in the middle school case.||15-20 min|