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Who's Taking Care of Me Now?: Book
This book describes a young child's feeling of fear and powerlessness. It describes the major impact that alcohol addiction and bullying behavior can have on a person and those around them.
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Full Language. Didactics of Dutch for the first and second stage of secondary education.
Voluit taal is a Dutch didactic manual in which scientific insights about contemporary, challenging and language-rich education are concretely translated into practice on the basis of seven didactic principles.
Voluit Taal is the sequel to the …
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Artonaut: Experience exhibitions more intensely
The Artonaut is a set of cards by and for Space Travelers full of stimulating assignments to experience museums even more intensely. Stray from prescribed paths, wander through meanings and stumble over details.
Because art is for everyone! Everyone …
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A New World in 100 Days: Book
As the author of this book A New World in 100 Days , Vera spent the past three years touring schools, open and closed institutions, the most diverse families and communities, asking hundreds of young people the same question: What would the …
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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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Color buffet: Activity book - Vuile vingers
Color buffet is the second thick activity book by Dirty fingers and is once again brimming with fun, refreshing and artistic assignments. A book that gives you inspiration for a whole year of crafting. In addition to getting started with the …
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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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