Middle School: How Can We Sense So Many Different Sounds From A Distance?
Unit submitted by Next Generation Science Storylines. The content of the unit posted is the same version 2.1 reviewed by Achieve. However, formatting has been changed in the following ways: Unit front matter has been broken into two separate documents 1. Storylines Teacher Handbook and 2. Unit Front Matter for MS Sound. Modified templates were created to enhance usability which altered all page numbers.
Rating: Example of High Quality NGSS Design
Science Discipline: Physical Science
Year Reviewed: 2018
Awarded the NGSS Design Badge
In this unit, students start by observing a perplexing phenomenon. When a sewing needle taped to a cone, is dragged over the surface of a plastic disc that is spun underneath it, voices and musical notes can be heard coming from it. This leads students to start wondering about other sound related phenomena, which in turn leads to wealth of new questions about 1) what causes different sounds? 2) what is traveling from a sound source to our ears? 3) How do we hear and why do we hear things differently in different places? 4) and how do electronic devices (digital sound sources) produce and detect sounds?
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Link to Materials
This unit, formerly named, "How Can We Hear So Many Different Sounds From Across the Room," was previously reviewed by the Science PRP and was posted as a "Quality Work in Progress." Using the feedback and suggestions for improvement provided in that first feedback report, the authors revised and resubmitted this unit and it has now earned the highest rating, "Example of High-Quality NGSS Design." Please see the older version of the unit materials here, and the first Science Peer Review Panel Feedback Report here.
The NGSS Design Badge is awarded only to the version of this unit that was reviewed. If any modifications are made to this unit, the revised version cannot be promoted as having earned the badge.
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