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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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To Do in Center Pompidou: Quick Guide
Are you visiting the Center Pompidou with your students? Then you can give them this clear guide with which they can discover the museum independently. The guide contains many QR codes and tips.
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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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City walk Antwerp: Escape tour
Elaborate escape tour to discover Antwerp with your students or to explore even further.
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Sawing steel: Course
This file contains information about cutting steel. The following topics are covered in this course:
- types of sawing machines,
- parts of the band saw machine,
- characteristics of the saw band,
- mistakes when sawing,
- clamping the workpiece,
- saw …
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Planning a holiday: IT assignment
Objective of the assignment: Students develop budget management, planning and creativity skills as they plan their ideal vacation. They adopt an investigative attitude and develop ICT skills.
They make the assignment based on different criteria.
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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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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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Take a closer look at your region: Inspiration booklet
With this inspiration booklet you put yourself in the shoes of a researcher to discover your own region. With various questions, tips and assignments, De Helix invites you to look at the environment with an open and different view.
The booklet …
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