Lernkontrolle

Siemens Stiftung

What is an oscillation? (test)

Multiple-choice test (interactive):
Five questions related to oscillation.

The questions ask what determines the pitch and volume of a sound and what oscillation, amplitude, and frequency are. Only one of the three answers is correct for each question.

Information and ideas:
The test can be conducted in one of two ways.
· Each answer is checked immediately. If the answer is incorrect, the student can repeat the question.
· The answers are not checked until the end of the test.


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Website

Siemens Stiftung

The Ear, Hearing and Hearing Impairment: Musical instruments and how they function

Website: Open source project on music where there are lots of articles on musical instruments. Open source project on music where there are lots of articles on musical instruments. Relevant for teaching: Sound/acoustics: parameters Vibrations and waves

Primärmaterial/Quelle

Siemens Stiftung

The Ear, Hearing and Hearing Impairment: Ultrasound materials testing

Web resource:
"Non-destructive Material Testing with Ultrasonic". Detailed description of ultrasound testing in theory and practice.

In engineering the checking of the quality of materials is an important task. A cheap way of testing materials where the material to be tested is not destroyed is based on the reflection of sound on interfaces.

Information and ideas:
These tasks are good for showing how behavior of sound is used in practice.
Furthermore, Internet inquiry is good for explorative learning.

Relevant for teaching:
Sound/acoustics: parameters
Vibration and waves

Bildungsbereiche

Allgemeinbildende Schule Sekundarstufe II

Fach- und Sachgebiete

Physik

Medientypen

Primärmaterial/Quelle

Lernalter

16-18

Schlüsselwörter

Sound Wave (physics)

Sprachen

Englisch

Arbeitsblatt

Siemens Stiftung

Why do rotating loudspeakers howl?

Worksheet:
Just think: The Doppler effect experiment.

Not telling you here - just that it has something to do with the Doppler effect.

Information and ideas:
Sometimes the questions can be put in lessons in an equally striking way as in (good) science programmes on TV. The experience that using your own sense of intellect is fun, cannot be made often enough at school.

Relevant for teaching:
Acoustic phenomena
Sound/acoustics: parameters

Medientypen

Arbeitsblatt

Lernalter

11-18

Schlüsselwörter

Electroacoustics Sound

Sprachen

Englisch

Dieses Material ist Teil einer Sammlung

Primärmaterial/Quelle

Siemens Stiftung

The Ear, Hearing and Hearing Impairment: Our sense of hearing

Web resource:
Instructions on conducting experiment and worksheet with questions to be answered.

The topic of directional hearing makes it clear how extremely sensitive the human sense of hearing is and also how well the ear can differentiate sounds and directions.

Information and ideas:
Very suitable for independent student study work as it involves self-experience-based learning.

Experiment

Siemens Stiftung

The Ear, Hearing and Hearing Impairment;: Sound propagation

Experimentation instructions:
Experiment cards for students on sound propagation, for example, make a string telephone or propagation of sound waves in a glass of water.

Sound needs a medium for propagation.

Information and ideas:
· Observe the safety information in the instructions as well as the applicable safety guidelines for your school and discuss it with your students.
· The experiments on sound propagation show the students that sound needs a medium to propagate. It becomes clear which materials conduct sound better and which materials slow the propagation down.
· The experiments can be done either in groups or as station training.

Relevant for teaching:
Acoustic phenomena
Sound/acoustics: parameters
Vibrations and waves

Bildungsbereiche

Elementarbildung

Medientypen

Experiment

Lernalter

6-12

Schlüsselwörter

Sound Wave (physics)

Sprachen

Englisch

Dieses Material ist Teil einer Sammlung

Anderer Ressourcentyp

Siemens Stiftung

Guideline for the "Sound and types of sound" interactive whiteboard content

Guideline:
This document provides an overview of a possible scenario for using the content package for interactive whiteboards entitled "Sound and types of sound".


This guideline is intended for teachers. It presents all media of the content package and puts them in a meaningful didactic context using examples.

Medientypen

Anderer Ressourcentyp

Lernalter

11-18

Schlüsselwörter

Sound Wave (physics)

Sprachen

Englisch

Dieses Material ist Teil einer Sammlung

Video

Siemens Stiftung

Water as wave model

Video (00:07 minutes, without sound):
A stone is thrown into calm water, ripples are formed.

The vibrations emitted by a source of sound can be compared with the ripples or waves created when a stone is thrown into calm water.
It is, however, directly comparable only as far as the concentric shape of propagation is concerned. Looked at in detail, the vibrations are in fact very different.

Information and ideas:
Students can do the experiment themselves on an excursion out of school.

Relevant for teaching:
Acoustic phenomena
Sound/acoustics: parameters
Communication and understanding
Vibrations and waves


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Übung

Siemens Stiftung

Types of sound (cloze test)

Cloze test:
Students complete five sentences with statements about types of sound.


The cloze test can be carried out by dragging and dropping or manually on the interactive whiteboard.

Medientypen

Übung

Lernalter

11-18

Schlüsselwörter

Sound Wave (physics)

Sprachen

Englisch

Dieses Material ist Teil einer Sammlung

Audio

Siemens Stiftung

Violins as complex sound signal

Sound:
Not just the individual tone is overlapped by upper harmonics but in a piece for two parts several sounds overlap each other!

A sound is a mixture of periodic tones the frequency of which consists of a basic frequency and its integral multiples. In a violin piece for two parts, for example, several tones act in combination.

Information and ideas:
Recording to make different sorts of sound clear (or for students to identify).
Further information regarding this sample audio clip is available as information sheet on the media portal of the Siemens Stiftung.

Relevant for teaching:
Sound/acoustics: parameters
Communication and understanding
Vibrations and waves
Acoustic phenomena


Dieses Material ist Teil einer Sammlung