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Computer Science Principles Unit 2 Chapter 1 Lesson 6: Rapid Research - Format Showdown

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Digital Literacy and Computer Science


9, 10, 11, 12


In this lesson, students will conduct a small amount of research to explore a file format either currently in use or from history. Students will conduct research in order to complete a "one-pager" that summarizes their findings. They will also design a computational artifact (video, audio, graphic, etc.) that succinctly summarizes the advantages of their format over other similar ones.

This lesson is intended to be a quick, short version of a performance task in which students rapidly do some research and respond in writing. It might take two class days but should not take more. The goal is to develop skills that students will use when they complete the actual Explore PT later in the year.

Students will be able to:
- identify reliable sources of information when doing research.
- synthesize information taken from multiple online sources.
- create an artifact (video, image, slide, poster, etc.) to communicate information about a computing topic.

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    Digital Literacy and Computer Science (2018) Grade(s): 09-12


    Summarize the role of compression and encryption in modifying the structure of digital artifacts and the varieties of information carried in the metadata of these artifacts.

    Unpacked Content



    • compression
    • encryption
    • metadata


    Students know:
    • that when a file is altered in any way, changes may be seen in the file metadata.
    • compression and encryption are two methods used when sharing data.


    Students are able to:
    • explain the roles of compression and encryption.
    • summarize the effects of compression and encryption on the metadata of a digital artifact.


    Students understand that:
    • any process applied to data has the potential to alter the structure of the data.
    • it is important to be aware of potential changes to data structure when electing to use a process.
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