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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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Le paradis: Lesson folder for the film
For seventeen-year-old Joe, his time in the closed youth institution is almost over. Together with his social worker, he prepares for the process of reintegration into society. Then he is attracted to William, a new prisoner staying in the …
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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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Fermentation of bread: STEM project
In this STEM project, students take on the challenge of baking the tastiest sandwich and packaging it. First, the students receive an introduction that also includes the
history of bread is discussed. Then students learn about the
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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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Heat battery: STEM project
Can you reduce your energy bill at home by creating a setup that can recover the heat from spaghetti cooking water?
In this STEM project, students are challenged to design and realize a system that ensures that the large amount of heat invested in …
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Voice strings: Design your own musical instrument with Arduino and lasers!
This project challenges students to build their own musical instrument without real strings. Inspired by some examples with lasers, they get creative in designing a laser harp. Various concepts of computational thinking are discussed. The laser …
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Justice in the classroom: Role play
Thanks to Recht-pledge in the classroom, students get to know the challenges of justice from the inside. First, students view and analyze a fictional process. They learn about the roles of the different people involved (judge, lawyer, prosecutor, …
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Digital design: Course
This is a course with links to additional explanations. The course is about principles of design, designing with text and images. The explanatory videos are on a drive, not on YouTube.
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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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