This study reports the effects of using word clouds to support students' knowledge integration from online inquiry as demonstrated by blog posts, tags and concept maps. Fifty-four undergraduate students from a medium-sized university in the northwestern United States were randomly assigned into two groups and blogged for five weeks. To support…

Discussion of dynamic modeling focuses on the development of a new modeling tool called Model-It which provides intentionally designed scaffolding for learners, enabling them to build and test dynamic models of complex systems using object-oriented and qualitative techniques. Classroom testing with high school students is described. (Author/LRW)