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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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Safety and danger: Pinch card
Pinch card with icons around safety, first aid, AED, fire brigade and police.
In this way, students learn to get to know the pictograms in a playful way.
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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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Atomic construction: Crack the code
Simple exercise about atomic structure and ions that can be used, for example, as a formative test.
The aim is to answer each question with the correct number (number of valence electrons, charge, period...). The sum of these numbers is the atomic …
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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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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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Response Patterns: Additional Exercises
Extra challenging exercises about reaction patterns in the course material of inorganic compound classes. You will also find an improvement key for these exercises here.
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Acids and acid residues: Bingo game
You can use the bingo sheets to practice the basic acids and associated acid residues in a fun way in the fourth year.
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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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