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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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The first female Flemish chemical engineer: Marie-Louise Compernolle 1/2
After her studies, Marie-Louise continued to work as an assistant for four years. The first year with Professor Van de Velde, where she specialized in commodity knowledge, which she loved to do very much. At that time there was a general policy of …
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Greenhouse Effect: PhET Simulation
In the simulation of PhET Colorado, a number of questions are asked about the amplification and the natural greenhouse effect.
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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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STEMOOV: Vision on STEM
Given the importance of STEM in education and the current transition of teacher training, the Association University - Limburg University of Applied Sciences (AUHL) thought it desirable to arrive at a common vision on STEM for the teacher …
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Synthesis of Gold Colloids: Demonstration
In the video, students demonstrate how they synthesized gold colloids during their research project using the Leidenfrost effect.
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Synthesis of gold colloids from electronic waste
In this article, we discuss the synthesis of starch stabilized gold colloids, starting from gold recovered from electronic waste. The recycled gold was cleaned with concentrated nitric acid and dissolved in aqua regia. After evaporating the acidic …
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Synthesis of Quantum Dots from Lemon Juice: Demonstration
During the research project on nanotechnology, third-year chemistry students Koen Truyens, Tom Walravens and Andy De Laet synthesized 'fluorescent carbon quantum dots' based on the article 'Safe One-Pot Synthesis of Fluorescent Carbon …
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Synthesis of quantum dots from lemon juice
Fluorescent quantum dots are created when lemon juice is carbonated with a heating plate. This synthesis is simple and can be performed by secondary school students. Also view the accompanying video .
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Chemical Elements: Symbols
These interactive exercises help students learn the symbols and names of the chemical elements.
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EASE: European Association of STEAM Educators
EASE - European Association of STEAM Educators is a non-profit organization whose aim is to assist and improve the work of all educators and teachers in terms of promoting STEAM skills in children, young people and adults in education.
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