Système d'Expérimentation élèves TESS

 
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Reflection and echo

Principle

In this experiment, the students observe the reflection of sound pulses in a glass tube - with a sealed and also with an open end. They record the signal and echo with a microphone and analyse the differences in the propagation time with the "measure Acoustics" software in order ...

 
Détails

Numéro d´article: P6011200

Standing waves

Principle

When the sound wave of a sound propagates in air, this wave causes all of the air particles that it reaches to oscillate. If the sound is generated continuously, all of the particles are constantly in motion. In this experiment, the students observe the generation of standing ...

 
Détails

Numéro d´article: P6011300

Resonance

Principle

There are so-called resonance boxes for tuning forks that can increase the sound volume of the tuning forks to a considerable extent. A resonance box is a hollow body with certain dimensions and it is usually made of wood or metal. Resonance boxes, or sound boxes, are part of ...

 
Détails

Numéro d´article: P6011400

Bone conduction

Principle

In this experiment, the students can observe that sound can reach the inner ear not only via the outer and middle ear but also via the human bones. In medicine, bone conduction is used for diagnostic purposes. Based on the Rinne and Weber tests, which are used for medical ...

 
Détails

Numéro d´article: P6011500

Noise level traffic lights

Principle

Noise is very disturbing for a lot of people. Sometimes, however, we do not realise how loud it is around us because we are busy with other things. In these cases, our feeling of loudness is dulled and we do not notice how much the noise actually impairs our overall performance ...

 
Détails

Numéro d´article: P6011600

Scales and intervals

Principle

Scales consist of notes of different pitches. The C major scale can be played perfectly on a piano since it requires only the white keys. On a string instrument (e.g. a violin) the pitch is determined by the length of the string. The distances between two successive notes are ...

 
Détails

Numéro d´article: P6011700

Fundamental, overtone and tone colour

Principle

If one plays a note, e.g. the concert pitch A, on different instruments, it will sound different from instrument to instrument. This is called the tone colour or timbre. Since every instrument has a typical tone colour, this particular tone colour can be recreated with electronic ...

 
Détails

Numéro d´article: P6011800

Determination of an unknown frequency (beats)

Principle

Beats occur when two tones have nearly the same frequency. If one frequency is known, then the other frequency can be determined by analysing the beat.

In this experiment, the students determine the frequency of an off-tune tuning fork by the measurement of the beat frequency ...

 
Détails

Numéro d´article: P6011900

Reflection and absorption of sound

Principle

In our everyday lives, we encounter different types of noise. It is often produced by others, which is why it disturbs us. Sometimes, however, it is the sounds that we produce ourselves that reverberate loudly in a room. This is why there are two ways of reducing sound: sound ...

 
Détails

Numéro d´article: P6012000

Electrostatic induction

Benefits
  • Experiment guides are very easy to understand, especially for younger students
  • Associated competences are directly linked to the experiments
  • Curriculum compatible
  • Fit for the future: implementation of tablets possible
...
 
Détails

Numéro d´article: P6100000

Force of charged bodies

Benefits
  • Experiment guides are very easy to understand, especially for younger students
  • Associated competences are directly linked to the experiments
  • Curriculum compatible
  • Fit for the future: implementation of tablets possible
...
 
Détails

Numéro d´article: P6100100

The electric circuit

Benefits
  • Experiment guides are very easy to understand, especially for younger students
  • Associated competences are directly linked to the experiments
  • Curriculum compatible
  • Fit for the future: implementation of tablets possible

 

...
 
Détails

Numéro d´article: P6101000

Measurements in an electric circuit

Principle

The students will investigate the current in a simple electric circuit. They will observe the brightness and current consumption of various light bulbs and conclude that the total current depends on the consumers in the respective electric ...

 
Détails

Numéro d´article: P6101100

Measurements in an electric circuit with SMARTsense

 
Détails

Numéro d´article: P6101169

The changeover switch

Benefits
  • Experiment guides are very easy to understand, especially for younger students
  • Associated competences are directly linked to the experiments
  • Curriculum compatible
  • Fit for the future: implementation of tablets possible

 

...
 
Détails

Numéro d´article: P6101200

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