Экология/ окружающая среда

 
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Water quality - contamination with heavy metals

Principle

Heavy-metal ions may be carried into surface or ground water from mining fields or via the waste water of galvanic or similar production sites. They block the effect of enzymes so that the processes in the metabolism of the organisms that are controlled by these enzymes may ...

 
Детали

Продукт No: P0990162

We examine our drinking water with Cobra4

Principle

This experiment shows how much the quality of drinking water of various locations in the same region can vary. The comparison of tap water with bottled mineral water and distilled water leads to surprising results.

Benefits

  • Experiment is part of an experiment set with ...
 
Детали

Продукт No: P1520062

We examine our drinking water with SMARTsense

 
Детали

Продукт No: P1520069

Weather observation with the Cobra4 Mobile-Link

Principle

The compact Cobra4 "Weather" multisensor can be employed as a simple means to set up a weather station, which can then be used to explain the relationship between air pressure, humidity, temperature, and light intensity. The measurement combination of a Cobra4 Mobile-Link and a ...

...

 
Детали

Продукт No: P1520462

Weather observation with SMARTsenseobra4 Mobile-Link

 
Детали

Продукт No: P1520469

Changes of the light conditions in a deciduous forest

Principle

Why are there only a few different kinds of plants in a deciduous forest? Except for having trees that are all approximately of the same height, hardly any other plants grow in a deciduous forest, except for young plants of the same type of trees. This experiment shows how the ...

 
Детали

Продукт No: P1520762

Changes of the light condition in a forest with SMARTsenses in a deciduous forest

 
Детали

Продукт No: P1520769

Acidity changes of a watercourse

Principle

The pH value (a measure of the concentration of hydrogen ions) in running waters depends on the geological conditions, the pollution load that is caused by agricultural production, and on plant activities. This experiment shows how the pH value of a stream changes even at a short ...

 
Детали

Продукт No: P1520862

Acidity changes of a watercourse with SMARTsense

 
Детали

Продукт No: P1520869

Comparison of soil and air temperatures in the course of a day with Cobra4

Principle

How does the temperature of the air affect the temperature of the soil in the course of a day?

Benefits

  • Experiment is part of an experiment set with numerous experiments in ecology
  • Universal handheld measurement device can also be used for other measurement parameters ...
 
Детали

Продукт No: P1520962

Comparison of soil and air temperatures with SMARTsense course of a day with Cobra4

 
Детали

Продукт No: P1520969

The pH value of various soils

Principle

Information concerning the quality of soils is of great importance for agricultural production. The students are familiarised with this subject via two experiments with pH measurements that show how much soils may differ from each other (experiment  "Characteristic pH values ...

 
Детали

Продукт No: P1521062

The pH value of various soils with SMARTsense

 
Детали

Продукт No: P1521069

Salinity of soils and plant substrates

Principle

How suitable are certain soils and plant substrates for the nutrition of plants? This experiment is about measuring the conductivity, which in turn provides information as to which of the examined soils and plant substrates already contain nutrient salts for plant growth and to ...

 
Детали

Продукт No: P1521162

Salinity of soils and plant substrates with SMARTsense

 
Детали

Продукт No: P1521169

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