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Monofunctional compounds: Skeleton notation
Students often wonder what the skeletal notation looks like when functional groups are added to the carbon chain. This is a summary that I made at the request of students.
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Microbial fuel cell
Microorganisms can supply electrons by decomposing organic materials and in this way generate a potential difference. For example, a biofuel cell can function as a battery.
The document contains instructions for use that describe how to make a …
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Educational videos: Overview document
This document contains several educational videos divided by subject:
- chemistry,
- biology,
- entrance exams,
and by theme. Almost all of the chemistry and biology curriculum for the third grade finality is covered in a Dutch video.
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The equilibrium constant Kc is not dimensionless
The equilibrium constant Kc is a fundamental quantity in solving chemical equilibrium problems.
Many secondary school chemistry textbooks use a dimensionless concentration fraction, which they usually represent with the symbol K. Both the …Translated by
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Scientific method: Schema
A diagram of a scientific method. The following steps are taken during the investigation:
- observation,
- research question & hypothesis,
- research or experiment,
- data or analysis,
- conclusion or result.
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Electron microscope: Task
This learning resource contains an assignment about electron microscopes. To better understand the material, your students watch two videos that illustrate the possibilities and operation of electron microscopes.
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Vocabulary practice: Template
Printable worksheet that allows students to practice vocabulary in a foreign language.
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Fire safety: Assignment bundle
Individual assignment bundle on fire safety: assignments on fire prevention and control, safety and first aid for burns.
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Do you learn on the toilet?: POTcast
Posters that can be hung in the toilets with QR codes to audio recordings. In these audios, twelve sentences are translated and recorded with Vocaroo, in every language offered in the CVO, always in Dutch and in the target language.
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World Postcard Day: Postcrossing project
Step-by-step plan to have your students send a card via Postcrossing, a project that allows you to send and receive postcards from random people all over the world.
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Lab material: Puzzle
This is an exercise on the names of the lab materials.
On this first sheet you see twelve images of objects from the lab, each with a number from 1 to 12. On the next sheet (answer sheet) you see twelve boxes with the names of the material. …
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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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