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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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Coloring pages by number or letter
In this contribution you will find more than fifty coloring pages where your preschoolers can practice the visual discrimination of numbers or letters.
The collection consists of different themes:
- halloween,
- Christmas,
- Valentine,
- Easter, …
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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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Cosmography: Stars
This digital exercise will help you learn more about stars. While completing the multiple choice questions and fill-in exercises you will learn more about:
- characteristics;
- spectral class;
- star formation;
- end of light stars;
- end of stars like the …
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Interactive exerciseOther function -
Writing patterns and shapes: Dice game
Using this dice game, students practice writing writing patterns or drawing shapes.
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Types of paint
In this learning resource you will see how paint is used as protection, as decoration, as signaling, in painting, and you will be introduced to the important types of paint.
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Rubber
This exercise will include:
- production,
- applications,
- additives,
- rubber allergy,
- natural rubber
- synthetic rubber,
- risk explanation.
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Natural coloring agents
A natural dye is a dye derived from plants, mushrooms or animals. They can be used for dyeing wool, textiles, hair and food. In this exercise you will become acquainted with different species and their origins. You will also see the link with E …
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Plastics: Examples
In this exercise you match the correct term with the correct description. Terms that are discussed include:
- nylon,
- polyethylene,
- synthetic resin,
- composite,
- carbon fiber,
- elastomer,
- ...
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Christmas bundle: Language, arithmetic, writing, logic
A bundle of self-drawn, low-stimulus worksheets in the Christmas and New Year theme.
Some assignments covered:
- rhyming words,
- to count,
- connecting numbers,
- find differences,
- first/middle/last,
- to sort,
- group,
- to draw ...
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Sounds and letters: Key
This test on phonics education can be used for non-Dutch speaking newcomers. It is based on the material of master Lars and the padlet phonics education of Jill Goetkint.
The sound samples are based on material from Lars Accou (CC-BY-NC-SA) who used …
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Downloadable resource (5)Teacher