Órganos sensoriales

 
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Combinación subjetiva de colores

Objetivos de aprendizaje
  • poder de resolución
  • receptores de color
  • mezcla de colores
  • impresión en color

 

 
Detalles

Num.Producto: P0872500

Defectos de la vista (experimento modelo)

Kit completo para estudio de defectos de la visión humana con modelo experimental

Este  kit  con  modelo  experimental  permite  los  siguientes beneficios:

  • La  parte  trasera  de  la  cual  se  forma  ...
 
Detalles

Num.Producto: P1054300

Medimos nuestros movimientos oculares - electrooculograma(EOG)

Principle

With this experiment, you can find evidence of the electrical activity that is generated during the movement of your eyes. Several electrodes attached to the skin of the face measure all the changes of the electrical voltage that are caused by the movement of the eyes. This ...

 
Detalles

Num.Producto: P1350460

Estudio de las habilidades de lectura (Con Cobra4)

Principle

With this experiment, you can determine your own personal reading speed. One's reading speed can be trained and is an important prerequisite for the proper handling of all kinds of texts. You can precisely study the movement of your eyes during ... ...

 
Detalles

Num.Producto: P1522260

Frecuencia de fusión y umbral de audición en humanos

Kit  completo  para  investigación  y  análisis  de  umbrales audibles  acústicos,  rango  audible  y  generador  de  onda senoidal.

 
Detalles

Num.Producto: P4040101

Efecto de la gravedad y de la fuerza centrífuga en plantas

Principle

The main shoot of a plant generally follows a perpendicular direction away from the centre of gravity of the earth (negative geotropism), whereas the main root grows towards the centre of gravity (positive geotropism). If however the plant is placed on a rotating horizontal disk, ...

 
Detalles

Num.Producto: P4050200

Temperatura preferencial de insectos

Principle

The temperature requirements of animals with regard to their environment differ widely: they vary from temperatures just below 0°C for arctic and antarctic animals to temperatures of around 50°C for desert animals and animals from hot springs. Within these limits many species ...

 
Detalles

Num.Producto: P4060200

Determinación del campo visual humano

Principle

The part of the surroundings perceived with an unmoved eye is called the visual field. In contrast, the field of view is that part of the surroundings perceived by the eyes when allowed to move freely but without moving the head. Depending on the uneven distribution of rods and cones ...

 
Detalles

Num.Producto: P4070200

Capacidad de resolución temporal del ojo humano

Kit  completo  investigación  del  tiempo  de  resolución  de  la capacidad  del  ojo  humano,  estudio  del  perímetro  visual, potencia de resolución relacionada con el tiempo, frecuencia ...

 
Detalles

Num.Producto: P4070300

Prueba de capacidad de reacción humana

Principle

As in many technical processes, in the course of many biological functions the output values act back on the input values. With the many disturbing influences that affect biological systems, a feed-back reaction (control loop) of this type enables an equilibrium to be established ...

 
Detalles

Num.Producto: P4070400

Generación de ondas sonoras

Principle

Sounds are generated by oscillations. The sound volume is influenced by their relative amplitude, while the sound pitch depends on their frequency. This relationship is examined based on three examples: oscillating ruler, tuning fork, string of a ...

 
Detalles

Num.Producto: P6010000

Propagación del sonido en el aire

Principle

This experiment demonstrates, particularly clearly, the propagation of sound waves in air and, thereby, the working principle of the eardrum that is caused to oscillate by pressure waves. The movement of the membrane is transferred to the neighbouring air molecules, which in turn ...

 
Detalles

Num.Producto: P6010100

Propagación del sonido en cuerpos sólidos

Principle

The transmission (or conduction) of sound through a solid body means: One end of the solid body is caused to oscillate (e.g. by placing a tuning fork on it). This oscillation propagates through the solid body to the other end of the solid body. The transmission through the solid ...

 
Detalles

Num.Producto: P6010200

Propagación del sonido en agua

Principle

The aim of this experiment is to enable the students to find out that sound can also propagate in other media, e.g. liquids. For this purpose, they study the propagation of the sound of a tuning fork in a tube that can be filled with air or water. For comparison, the sound ...

 
Detalles

Num.Producto: P6010300

El sonido como una onda sinusoidal

Principle

The aim of this experiment is to familiarise the students with the "measure Acoustics" software. First, the students record the sounds of two tuning forks with a microphone. Then, they analyse the frequency spectrum and the course of the amplitude of the recorded signal over ...

 
Detalles

Num.Producto: P6010400

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