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Inhaltlich verantwortlich: Birgit Kersten
Eingestellt am: 30.06.2022
Stand vom: 02.01.2023

Dieses Medium ist freies Lern- und Lehrmaterial im Sinne der UNESCO-Initiative Open Educational Ressources (OER) Details zu OER. Sie dürfen diesen Beitrag entsprechend oben angegebener Lizenz verwenden, wenn Sie folgende Quellenangabe benutzen:
Birgit Kersten auf dem Bildungsserver Sachsen-Anhalt (http://www.bildung-lsa.de/index.php?KAT_ID=13718#art41331)
Open Educational Resources

Beitrag eingestellt von: Frau Birgit Kersten
Telefon: +49 (0)345 2042 254
E-Mail: birgit.kersten@bildung-lsa.de

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35153 Datensätze auf 3516 Seiten
VIDEO
Motorbike
 (0 Min ) 
Photo: Motorcyclist as typical road user. Above all, when motorbikes drive fast, they become loud road users, with levels of up to 80 decibels being recorded. Information and ideas: Use picture to start discussion or for illustration purposes.Schlüsselworte: Lamp, Road...
VIDEO
Lorry
 (0 Min ) 
Photo: The lorry is a typical road user that causes a lot of noise. The big advantage of lorries is their flexibility. Compared to other means of transport like ships or trains though, they have several disadvantages: high energy consumption, exhaust fume emissions and ...
VIDEO
Exhaust system of a car
 (0 Min ) 
Photo: When you look under a car that has a diesel engine, you see the case containing the catalytic converter and diesel particulate filter in the exhaust pipe.Schlüsselworte: Air, Oxygen, Sachkunde, Physik, Biologie, Chemie
VIDEO
Lens and imaging equation
 (0 Min ) 
Schematic diagram: The light rays emanating from the object must be collected through a lens to form the points of an image. The imaging equation describes the applicable laws. At least two of the following rays are needed to construct the image: • Ray from the object...
VIDEO
Thermal energy
 (0 Min ) 
Diagram: Formulas for the thermal energy of gases and temperature as a function of their molar heat capacity at constant volume. The thermal or internal energy of a substance is the sum of the kinetic energies of its atoms or molecules. This energy is measurable as temp...
VIDEO
Magnetic energy
 (0 Min ) 
Overview graphic: Two manifestations of magnetic energy are compared: the magnetic energy of a current-bearing coil and that of an elementary magnet. Magnetic energy is the energy that is stored in a current-bearing coil in the form of its magnetic field. It is the resu...
VIDEO
String telephone
 (0 Min ) 
Graphic: Communicate over a distance with the help of a string telephone – this can be done easily with students. Solid materials (in this case the string) conduct the sound. But with a string telephone it is also possible to demonstrate sound amplification and sound ...
VIDEO
Speech signal – individual word
 (0 Min ) 
Chart: Screenshot of the oscillographic curve of the spoken word “dogs". Speech sounds are fluctuating sound signals where the composition of frequencies changes all the time. Aperiodical overlap periodical parts. Unlike noises, some of which have similar frequency cu...
VIDEO
Tuning fork as “simple" sound
 (0 Min ) 
Graphic: Oscilloscope graph of a tuning fork tone as example of a simple tone with visible upper harmonics in the starting phase of oscillation. Tuning forks as well produce simple periodic tones but, strictly speaking, they are not really pure as there are several uppe...
VIDEO
The watering can as a trumpet
 (0 Min ) 
Photo: Child blows into a watering can, thus producing relatively loud trumpet-like sounds. By pressing the current of air between its lips, the child produces the original vibration. In addition, the entire air volume in the watering can is stimulated to start vibratin...
35153 Datensätze auf 3516 Seiten