Electronic communication, signals, digital, analog
Understand how noise impacts analog and digital signals differently.
Explain how digital methods are better than analog methods for storing, copying, and transmitting information.
We hear the word "digital" all the time—digital technology, digital device, digital TV, etc. But what does it actually mean? In this lesson plan, your students will learn how digital signals allow us to reliably transmit and store information.
Printer paper (1 piece per student). Make sure the paper can be used for tracing (do not use heavy weight paper).
Graph paper (1 piece per student). Make sure the paper can be used for tracing (do not use heavy weight paper).
Scissors (for teacher prep work)
For the entire class: Smartphone or tablet with Google's Science Journal app, available for free on Google Play for Android devices (version 4.4 or newer) or from the App Store for iOS devices (iOS 9.3 or newer).
You can find this page online at: https://www.sciencebuddies.org/teacher-resources/lesson-plans/analog-vs-digital-signals
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