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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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Children's songs with boomwhackers: Scores
These homemade scores are of various children's songs to play on the boomwhackers.
These scores have been stripped of staves and clefs and the like, only the note length is still somewhat visible.Translated by
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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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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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Musical building block dynamics: Volume meter
Through this document, shared in Canva, you will find a combination of the music terms in the dynamics building block and a sound meter or voice volume meter in the classroom.
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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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Translucent insects: Teaching idea about additive color system or RGB
In this teaching material, students make insects out of black paper using colored and translucent plastic. This gives a nice effect if you hang them against the window and the sunlight comes through.
With this assignment you teach students to work …
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