How Your Brain Understands What Your Ear Hears
National Institute on Deafness and Other Communication Disorders (NIDCD) website
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National Institutes of Health
National Institute on Deafness and Other Communication Disorders

How Your Brain Understands What Your Ear Hears

Main    Getting Started    Teacher's Guide    Student Activities    About NIH and NIDCD

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Teacher's Guide

Using the Student Lessons

The heart of this module is the set of five classroom lessons. These lessons are the vehicles that will carry important concepts related to hearing and communication to your students. To review the concepts in detail, refer to the chart Science Content and Conceptual Flow of the Lessons.

Format of the Lessons

As you scan the lessons, you will find that each contains several major features.

At a Glance gives the teacher a convenient summary of the lesson.

In Advance provides instructions for collecting and preparing the materials required to complete the activities in the lesson.

Procedure outlines the steps in each activity of the lesson. It provides implementation hints and answers to discussion questions.

Within the procedure, annotations provide additional commentary.

National Science Education Standards icon identifies teaching strategies that address specific science content standards as defined by the National Science Education Standards.


Web activity icon identifies when to use the Web site as part of the teaching strategy. Instructions tell the teacher how to access the Web site and the relevant activity. Information about using the Web site can be found in Using the Web Site. A print-based alternative to Web activities is provided in the event that computers with Internet access are not available.


print activity icon identifies a print-based alternative to a Web-based activity to be used when computers are not available.


assessment icon identifies when assessment is embedded in the module’s structure. An annotation suggests strategies for assessment.


The Lesson Organizer provides a brief summary of the lesson. It outlines procedural steps for each activity and includes icons that denote where in each activity masters, transparencies, and the Web site are used. The lesson organizer is intended to be a memory aid for you to use only after you become familiar with the detailed procedures for the activities. It can be a handy resource during lesson preparation as well as during classroom instruction.

The Masters required to teach the activities are located at the end of each lesson.

Timeline for the Module

The timeline below outlines the optimal plan for completing the five lessons in this module. This schedule assumes that you will teach the activities on consecutive days. If your class requires more time for completing the procedures, for discussion of issues raised in this module, or for completing activities on the Web site, adjust your timeline accordingly.

Suggested Timeline
Timeline Activity
3 weeks ahead Reserve computers
Verify ability to access Internet and to download required plug-ins
1 week ahead Copy masters
Make transparencies
Gather materials
Day 1
Monday
Lesson 1
Activity 1: What Did You Say?
Activity 2: When the Time Is Right
Day 2
Tuesday
Lesson 2
Activity 1: How Do We Understand?
Activity 2: Sound Safari
Day 3
Wednesday
Lesson 3
Activity 1: Measuring Intensity
Day 4
Thursday
Lesson 3
Activity 2: Pitch Me a Curve
Day 5
Friday
Lesson 4
Activity 1: The Mysterious Black Box
Day 6
Monday
Lesson 4
Activity 2: Understanding Form and Function
Day 7
Tuesday
Lesson 5
Activity 1: It’s Too Loud!
Activity 2: Assessing Risk for Hearing Loss
Day 8
Wednesday
Lesson 5
Activity 3: Sound Advice

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