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    Computer Science Unplugged
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    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
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    NOAA
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    In this activity, learners will listen to as many radio stations as possible to discover that AM radio signals can travel many hundreds of miles at night. Learners log the call signs, locations,...

    free Ages 8 - 18 1 to 2 hours

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    • Oregon Museum of Science and Industry (remove)
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