User login


Search Results


Showing results (1 to 5 of 5)

  • Thumbnail
    Computer Science Unplugged
    Add to list Details
    In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners. This activity works with two learners but is most...

    free Ages 11 - 18 30 to 45 minutes
  • Thumbnail
    Computer Science Unplugged
    Add to list Details
    This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people...

    $1 - $5 per group Ages 8 - 18 30 to 45 minutes
  • Thumbnail
    Computer Science Unplugged
    Add to list Details
    In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city. It can lead on to a discussion of minimal spanning tree algorithms for optimizing...

    1 cent - $1 per student Ages 8 - 18 30 to 45 minutes
  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other. They can also create their own codes that are different from...

    1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
  • Thumbnail
    Computer Science Unplugged
    Add to list Details
    In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video. This is an...

    free Ages 6 - 18 30 to 45 minutes

Current filters


  • Query parameter - ;/smileItem/authorshipRights/sourceInstitutions/sourceInstitution - not supported

  • Query parameter - ;verb - not supported

  • Query parameter - ;facetSort - not supported

  • Query parameter - ;sourceInstitution - not supported

    • Oregon Museum of Science and Industry (remove)
  • Resource Type

  • Informal Category

  • Subject

  • Learning Time