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Biomass conversion: Practical
The Biomass Conversion lesson series consists of a practical with accompanying questions and assignments.
In the practical, the students see how wood contains cellulose, and they show that cellulose in turn consists of glucose. Students become …
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Electrolysis in a potato: Practical
Use a potato and copper electrodes to perform electrolysis. Copper oxidizes at the anode, water present in the potato reduces at the cathode. You can detect H2 there and observe with an indicator that a base is being formed.
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Collage: The rules of good composition
How do you make a beautiful collage? That mainly depends on the composition of your elements on your collage. A good composition is the art of organizing elements of a work of art or design into one harmonious and pleasant whole.
In this teaching …
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Chemical arithmetic: Practical
This document contains the instructions for the students.
I gave each pair a different combination of volume of 1 mol/l sulfuric acid solution and a certain mass of sodium carbonate, some having one in excess and others having the other. The amount …
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Qualitative and quantitative analysis of hydrates: Practical
In this practical, it is quantitatively determined how many water molecules bind per salt molecule of a hydrate (for example that of copper sulphate). It is also qualitatively demonstrated that a hydrate has a different color than its …
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Microscopy and chemical identification: Solve the mystery
During this lab, your students will investigate a crime. Three pieces of evidence were found at the scene of the crime. It's about animal hair, soil type and fibers. After a chemical and microscopic examination, the students can determine which …
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Conductivity: Practical
Four research questions are addressed in this practical.
- How does concentration affect the conductivity of a substance?
- How does temperature affect the conductivity of a substance?
- How does the ionic radius affect the conductivity of a substance? …
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Reaction rate and thermodynamics: Practical
This is a simple practical about the factors that influence the reaction rate in the reaction that takes place between chalk and hydrochloric acid. Students can also determine whether this is an endothermic or exothermic reaction.
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Royal Museum of Fine Arts: Commissions with the paintings
With these assignments for paintings in the Royal Museum of Fine Arts in Brussels you will find an answer sheet for the students, explanation for the teacher and the actual museum game with the questions. This museum game belongs to the Old …
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Fireworks sparklers: Lab
This is a description of an experiment to make fireworks sparklers during a bilingual education lesson for the subject Science. Within this chemical subject, students learn to weigh quantities, make a product with chemicals and make something …
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Water treatment: Chemical aspects
A detailed course on chemical aspects of water purification.
Among other things, the following are discussed:
- determination of total hardness of water,
- determination of chemical oxygen demand,
- qualitative, semi-quantitative determination of ions in …
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Redox reactions: Experiments with potassium permanganate
This student test fits within the theme of redox reactions in an acidic and alkaline environment . Different reactions of potassium permanganate are investigated in a nucleon dish.
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