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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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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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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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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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Process lab, a didactic lab with measurement and control techniques: Project InnoVET
Due to updated curricula within the study area of Chemistry, students and teachers of, among others, the study options Biotechniques (second grade) and Biotechnological and Chemical Engineering (third grade) must acquire a lot of new content. …
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Electrolysis in a potato: Practical
Use a potato and copper electrodes to perform electrolysis. Copper oxidizes at the anode, water present in the potato reduces at the cathode. You can detect H2 there and observe with an indicator that a base is being formed.
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Temperature control setup: Assignments
These assignments about temperature control are based on a didactic setup . In addition to this downloadable teaching material, a learning path is also available.
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