Impressive experimental descriptions from the fields of physics,
chemistry and biology that pay attention in particular to the
advantages of the wireless transmission of measured
values using the Cobra4 system. In total more than 120
demonstration and student experiments are described in detail.
Experiments on the interdisciplinary topic "everyday phenomena" are
also contained.
| Title |
Product |
| Coupled pendula on the magnetic board |
P0515760 |
| Electronystagmography |
P0873560 |
| Water quality - contamination with heavy metals |
P0990162 |
| Water quality - contamination with heavy metals |
P0990163 |
| Weight |
P0999060 |
| Bending of a leaf spring |
P0999260 |
| Helical spring pendulum |
P1002760 |
| Thermal equilibrium |
P1042260 |
| Thermal insulation |
P1043660 |
| Heating of water |
P1043760 |
| Heating of various liquids |
P1043860 |
| Specific heat capacity of water |
P1043960 |
| Temperature of mixtures and heat capacity of the calorimeter |
P1044160 |
| Specific heat capacity of metals |
P1044260 |
| Calorimetric temperature measurement |
P1044360 |
| Conversion of mechanical energy into internal energy |
P1044460 |
| Melting and freezing curve of sodium thiosulphate |
P1044660 |
| Evaporation |
P1045160 |
| Buoyancy in water on the magnetic board (Archimedes' prin-ciple) |
P1297260 |
| Ohm's law |
P1330360 |
| Ohm's law |
P1330361 |
| Inrush current of a light bulb |
P1330860 |
| Switch-on behaviour of a capacitance |
P1331060 |
| Generation of an alternating voltage, rectification and smoothing |
P1331360 |
| We investigate our heartbeat - electrocardiography |
P1332760 |
| Parallel and series connection of helical springs on themagnetic board |
P1337860 |
| Specific heat capacity of water |
P1349160 |
| Specific evaporation heat of water |
P1349260 |
| Specific heat capacity of liquids |
P1349360 |
| Charles' law |
P1350060 |
| Amontons law |
P1350160 |
| Boyle's law |
P1350260 |
| We investigate our muscular power - electromyography |
P1350360 |
| We measure our eye movements - electrooculography |
P1350460 |
| Comparison of the heat capacities of water and soil |
P1350960 |
| The Bergmann rule: heat loss as a function of the body surface area and volume |
P1351060 |
| Transpiration of leaves |
P1351260 |
| Glycolysis (temperature measurement) |
P1351460 |
| Substrate inhibition of enzymes |
P1369960 |
| Enzyme inhibition (poisoning of enzymes) |
P1370060 |
| Resistance of wires - dependence on the length and cross-section |
P1372560 |
| Current and resistance in a parallel connection |
P1372860 |
| Current and resistance in a series connection |
P1372960 |
| The potentiometer |
P1373160 |
| Electrical power and work |
P1373360 |
| Charging and discharging a capacitor |
P1373560 |
| Diodes as electrical valves |
P1373760 |
| Diodes as rectifiers |
P1373860 |
| Electrolysis |
P1375160 |
| The permanent magnet DC motor |
P1376260 |
| The series motor |
P1376360 |
| Bridge rectifiers |
P1378360 |
| Floating and sinking |
P1424560 |
| Cooling by evacuation |
P1500060 |
| Zero gravity during free fall |
P1500160 |
| Frequency of a spring pendulum (on the magnetic board) |
P1500260 |
| Dependence of the frequency of a spring pendulum on the pen-dulum mass and spring constant (on the magnetic board) |
P1500360 |
| Properties of the atmospheric pressure |
P1500460 |
| Acceleration of a spring pendulum with an acceleration sensor |
P1500560 |
| Ohm's law |
P1500660 |
| Self-induction |
P1500860 |
| Capacitor in the alternating current circuit |
P1500960 |
| A coil in an alternating current circuit |
P1501060 |
| RC high-pass filter |
P1501160 |
| RC low-pass filter |
P1501260 |
| Resonant circuit |
P1501360 |
| Parallel resonant circuit |
P1501460 |
| Series resonant circuit |
P1501560 |
| Temperature dependence of conductivity |
P1510160 |
| Conductivity of various water samples |
P1520060 |
| We examine our drinking water |
P1520062 |
| We examine our drinking water |
P1520063 |
| Warm-up time of an energy-saving lamp |
P1520160 |
| Altitude measurement on a trail |
P1520262 |
| Measuring the height of a tower |
P1520362 |
| 24-hour weather observation |
P1520461 |
| Weather observation with the Cobra4 Mobile-Link |
P1520462 |
| Relative humidity |
P1520560 |
| Terrain mapping |
P1520662 |
| Changes of the light conditions in a deciduous forest |
P1520762 |
| Acidity changes of a watercourse |
P1520862 |
| Comparison of soil and air temperatures in the course of a day |
P1520962 |
| The pH value of various soils |
P1521062 |
| The pH value of various soils |
P1521063 |
| Salinity of soils and plant substrates |
P1521162 |
| Salinity of soils and plant substrates |
P1521163 |
| Raised bog and fen |
P1521262 |
| Air pressure and relative humidity in an aircraft |
P1521362 |
| Salinity changes of a watercourse |
P1521462 |
| Learning stations using the experimentation case"Cobra4 Mobile, Environment and outdoors" |
P1521562 |
| We visit a wastewater treatment plant |
P1521662 |
| Impact of the forest type on humidity, temperature and brightness |
P1521762 |
| We determine our heart frequency EP2 |
P1522060 |
| We investigate our physical fitness - the heart under stressEP3 |
P1522160 |
| We measure our reading speed - measuring reading skills EP6 |
P1522260 |
| Why do energy-saving lamps need some time to achieve fullbrightness? |
P1530060 |
| Why do light bulbs burn out mostly when being turned on? |
P1530160 |
| What happens during the flash recycling time of a camera? |
P1530260 |
| Why do mobile phones or laptops need a charger/adapter? |
P1530360 |
| How can ships made of steel float on water? |
P1530460 |
| Floating and sinking |
P1530560 |
| Human electrocardiography (ECG) (Cobra4) |
P4020160 |
| Dynamic friction |
P6000060 |
| Rolling friction |
P6000160 |
| Uniformly accelerated motion |
P6000260 |
| Melting and freezing curve of sodium thiosulphate |
P7105060 |
| Electrolysis |
P7105160 |
| Temperature change when a gas is liquefied by compression |
P7200560 |
| Why do energy-saving lamps need some time to achieve fullbrightness? |
P9000060 |
| Why do light bulbs burn out mostly when being turned on? |
P9000160 |
| Floating and sinking |
P9000260 |
| Altitude measurement on a trail |
P9000362 |
| Measuring the height of a tower |
P9000462 |
| Terrain mapping |
P9000562 |
| What happens during the flash recycling time of a camera? |
P9000660 |
| Why do mobile phones or laptops need a charger/adapter? |
P9000760 |
| How can ships made of steel float on water? |
P9000860 |
| Air pressure and relative humidity in an aircraft |
P9000962 |
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