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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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Temperature control setup: Assignments
These assignments about temperature control are based on a didactic setup . In addition to this downloadable teaching material, a learning path is also available.
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Temperature control setup: Manual
This manual has a step-by-step plan for building a temperature control setup. This didactic material helps students to process the associated assignments or i-exercises .
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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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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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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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Sustainable plastics: Lab
This teaching module builds on the presentation 'Sustainability and sustainable plastics' and takes place in a chemical lab. Based on a protocol, several bioplastics are made and the properties of the different plastics are tested.
For this part, work …
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Electrolysis: Nickel plating of a coin
Student experiments in which a metal object is nickel-plated by means of electrolysis.
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