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The kinetics behind the diet coke with mentos experiment
The experiment between diet cola and mentos produces a fascinating fountain, but it also offers an ideal platform for students to explore different facets of chemical kinetics in a fun and motivating way.
This article discusses the experiment …
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Simple synthesis and characterization of CdSe quantum dots
Synthesizing and characterizing quantum dots are colorful experiments
students in the professional bachelor of chemistry. By running
such experiments give students more insight into typical characteristics
quantum chemical phenomena. Quantum dots are …Translated by
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Extracurricular speech therapist...therapist or co-teacher?
In which phase of the care continuum can an extracurricular speech therapist be involved? How?
And how can the collaboration between school and speech therapist be mapped?
Discover info and tools on the site.
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Qualitative determination of sulphites in wine
Almost every label on a bottle of wine states that the wine contains 'sulfites'. Sulphites are therefore a frequently used additive during the vinification process because many winegrowers are convinced that they are indispensable to …
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The critical micelle concentration of sodium dodecyl sulfate
The determinations of the critical micelle concentrations (cmc) for ionic surfactants using specific conductivity measurements are excellent research projects for students and pupils to gain insight into some properties of substances in solution. …
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Giving an extra dimension to classic equilibrium tests
Chemical equilibrium is a difficult topic theoretically. By studying the complexation reactions in an aqueous solution of a copper salt with hydrogen chloride and with ammonia, it can be made clear that there is a single reaction system.
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Experiment with copper nanoparticles to show color changes
In this contribution, we discuss a student project where copper nanoparticles were prepared by reducing copper (II) sulfate using sodium borohydride. The use of iodide ions provides the necessary stabilization of the nanoparticles formed. The …
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The discovery of argon and the importance of accurate data analysis
John William Strutt, third baron of Rayleigh (1842-1919), is one of the most impressive figures in the history of the natural sciences. He is best known for his explanation of the blue color in the sky caused by Rayleigh scattering. It is less …
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Synthesis of gold colloids from honey
Gold colloid synthesis is a colorful nanochemical experiment. In this
contribution we discuss a student project where gold colloids are prepared from
a gold (III) salt using honey. The experiment is simple in execution.Translated by
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Determine the critical micelle concentration
Surfactants tend to form micelles in solution. The critical
micelle concentration is an important parameter for describing stability
of micelles. In this article we describe a relatively simple experiment through which
conductivity measurements the …Translated by
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Effective Handwriting Education: Reappraisal of the Pen
An article by Freek Turlings and Erik Meester about handwriting education.
Scientific research shows the importance of handwriting for reading, spelling and memorization. What can you do to easily improve your handwriting lessons?
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Building blocks for effective language programmes: Practical guide for language support in nursery, primary and secondary education
The manual is a practical guideline for researching language integration processes. It provides a practical guide to language support.
This guide describes six building blocks that help you stimulate language development and support students …
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Article (18)