Culminating Activities -- A variety of activities during Phase 3 of a project, through which children summarized and explain their work and their findings to others.

Documentation -- Processes of recordkeeping and samples of children's work at different stages of completion that reveal how children worked and the learning involved in the processes.

Field Visits -- Planned visits to sites under investigation during a project.

Observational Sketches -- Drawings and sketches made while observing actual objects or places as a means of gathering descriptive or quantative data.

Problem Solving -- A process employed by all people at all levels of maturity of discovering or deducing new relationships among things observed or sensed. A method involving clear definition of the problem confronted, formation of hypothetical solutions, and tests of the hypotheses, until evidence warrants acceptance of a hypothesis.

Project -- An extended, in-depth investigation of a topic, ideally one worthy of children's attention and energy. Projects involve children in conducting research on phenomena and events worth learning about in their own environments.

Web or Topic Web -- A graphic representation of the ideas associated with a topic.

Webbing -- The process of discussion among teachers and children as they create a web.