The Draw a Penny demonstration helps teach the idea that you don't remember things that don't matter to you and that don't focus on. It it described on pages 89-90 of Minds Online: Teaching Effectively with Technology, and is also part of the Is it You? demonstration slideshow.
These VoiceThread slideshows are part of the course materials for an course I teach called Building Memory Power.
Repeatable reading quizzes are described on pages 17-18 of Minds Online: Teaching Effectively with Technology. You can also find descriptions of course redesigns that use this kind of assessment at the web site of the National Center for Academic Transformation.
A similar frequent quizzing strategy was used by James Pennebaker and colleagues at the University of Texas at Austin, described in this article.
Here are a set of short narrated animations produced by NAU's E-Learning Center that illustrate basic concepts in memory. They are part of the UC 199 Building Memory Power course (syllabus is attached below).
Here are some short articles and resources on retrieval practice:
A powerful way to improve learning and memory
Bite-Sized Research on Retrieval Practice
Bite-Size Research on Retrieval Practice Formats
Using Retrieval Practice to Improve Learning (Video, 3:29)
Using Retrieval Practice for Transfer in an Online Class
James Lang's connection notebook technique
Here are just a few of many research articles documenting the importance of retrieval practice:
This short article takes another approach to promoting memory:
Miller, M.D. (2014, November). Helping students memorize: Tips from cognitive science. The Teaching Professor, 28, 3.
This article gives an overview of important concepts, trends, and applications for college teachers:
Miller, M.D. (2011). What college teachers should know about memory: A perspective from cognitive psychology. College Teaching, 59, 117-122.