Activity Types are defined by PRIMARY SOURCE PURPOSES

For example, learning experiences use primary sources in the following ways:
Introduction (lesson beginning) - challenges students to make a connection to the topic being explored through a primary source-based short activity.

Investigation (lesson middle) - is the process of analyzing and interpreting primary source material and considering the source's impact on the subject under study.

Formal Assessment (often lesson end) - requires students to demonstrate understanding, knowledge, and skill goal for the lesson through a produce or performance requiring use of primary sources.

Lesson - leads students through a learning process including an introduction, investigation, ongoing and formal assessment, and extension activities focused on an understanding goal and related primary sources.

Learning Experiences consist of these elements:

Content: Library of Congress primary sources provide the impetus for learning and are directly related to curriculum standards. Primary sources are essential to the learning experience and used to add dimension, depth, and different levels of challenge or interest to the topic under study.

Process: The learning process is centered on an investigation question based on curriculum standards connected to an explicit understanding goal. Best Instructional Pracrices provide a means for students to develop understanding, knowledge, and skills. Student skill development includes critical and creative thinking, reading, writing, and research.

Products: The student response to the investigation question reveals progress toward learning goals including: understanding, knowledge and skills