You can investigate more free activities by clicking the Activities tab above, finding one that interests you and clicking "Run As Student" for that activity. You do NOT need to register or login to use these activities.
SmartGraphs allows users to customize existing activities or create new ones. View the Authoring Manual and the Authoring Demo for more information. Click the Signup link at the top right to register as an author.
This material is based upon work supported by the National Science Foundation under Grant No. DRL-0918522. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.