Student progress is automatically saved so that STEM Cases can be completed over multiple sessions.
|Elementary School Free||This version is for elementary school classes.||30-40 min|
|Middle School Free||This version is for middle school classes.||40-50 min|
Most content from the Expanded Handbook is included in the corresponding STEM Case.
|Elementary School||The Expanded Elementary School Handbook covers deforestation, external and internal structures and functions and how environments affect herds in addition to the concepts covered in the handbook section of the Elementary School Case.||20-25 min|
|Middle School||The Expanded Middle School Handbook covers dominance, hierarchy, deforestation, mutually beneficial relationships and how environments affect herds in addition to the concepts covered in the handbook section of the Middle School Case.||20-25 min|