MS-PS4-3 NGSS Analog Vs Digital Signals Waves & Their Applications 5E Activity


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This engaging and rigorous 5E will make sound come alive! You will get “ooohs” and “ahhhs” as the students communicate with each other with cups and string! And! This resource is phenomena driven!!! A very important part of NGSS is doing activities that are phenomena driven or discrepant events. Below is a description of each part of the 5E. The activity takes about 1:45 minutes plus HW for the research.


Engage: Students learn and describe how the first telephones worked with a YouTube link.

Explore: Students learn about the difference between Analog and Digital signals using an amazing and interactive website.

Explain: Using more websites provided, students explain the difference between Analog and Digital signals.

Explore More: Students do The Telephone lab using cups and string to model analog and digital signals.

Elaborate: By now, students have a much better grasp of Analog and Digital. Here they answer questions that demonstrate the application of the vocabulary to The Telephone lab.

Evaluate: Students are assessed on their knowledge and real life application of the vocabulary with questions, a Venn Diagram and a flow chart.

Extend: Students research the history of telephones. Using books and/or the internet to learn how telephones have gone from wired to wireless and from analog to digital in the form of a complete paragraph.

I recommend you take a look at my Waves Sound Stations, Waves Doodle Notes, Electromagnetic Spectrum Doodle Notes, Waves PowerPoint and Bill Nye Waves that would accompany the Analog Vs. Digital 5E perfectly.

This product Includes the following:

-Google Ready Copy

-Student copy

-Answer key

-Teacher reading to get you caught up with the difference between Analog and Digital

Includes the following concepts:

Analog Signals

Digital Signals



Longitudinal waves

Speed of sound

Includes the Following NGSS Standards:

PS4.C: Information Technologies and Instrumentation

• Digitized information can be transmitted over long distances without significant degradation. High-tech devices, such as computers or cell phones, can receive and decode information—convert it from digitized form to voice—and vice versa. (4-PS4-3)


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