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Create a breeding ground for growing bacteria
In this video you will see how you can make a simple food base with kitchen materials, with gelatin, sugar and water. Samples are also taken and placed on the culture medium to grow bacteria. The result of the cultivation cannot be seen in the …
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Science vs Sound: Music Video
This video shows various methods of making sound visible, such as vibrating a non-Newtonian fluid, Chladni plates, and a standing wave through which fire passes.
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Energy backpack
Are there energy guzzlers at your school? Let your students go on a scavenger hunt to investigate the standby consumption, lighting or heating in the classroom. Your students can use the measuring instruments in the backpack to examine the …
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Application of an electromagnet: The electric bell
This video explains how an electric bell works.
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Try our STEM and educational robotics kits for free
As a teacher, you will receive a free trial period for our STEM and educational robotics kits for two weeks.
Visit our website for more information.
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Electricity: safety, cabling, alternating and direct voltage
Step-by-step explanation of electricity with attention to safety, cabling, direct and alternating voltage.
- Electricity is an important part of a refrigeration technician's job and does not come without its share of dangers. That is why it is …
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Refrigeration, a job with a future
This video is part of a project of the Spectrum School and Frixis. The project came about with the support of the Flemish education program InnoVET, which supports the development of innovative learning methods and teaching materials in …
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Correct installation of a cooling installation
Step-by-step explanation of installing a cooling installation with attention to components, mounting material, safety and maintenance.
For the correct installation of a cooling installation, we first choose the correct installation location. Choosing …
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Different setups of a cooling installation
Step-by-step explanation of the set-up of a cooling installation with attention to the main components, the hazards and the risks.
There are four main components to a refrigeration plant: the compressor, the condenser, the expander, the evaporator. …
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Dismantling a cooling installation
Step-by-step explanation of dismantling a cooling installation with attention to safety, the environment and the sorting of materials.
If you are asked to disassemble an installation, it is important to carry out the correct step-by-step plan and to …
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The maintenance schedule of a cooling installation
Step-by-step explanation of the maintenance of a cooling installation with attention to the logbook, maintenance instructions and checks.
- The log should always be available near the installation. This can be in electronic form or on paper. This is …
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Brazing
Step-by-step explanation of brazing with attention to preparation, tool setting and safety.
- Before we start brazing, we start with the preparation. We prepare by deburring the tube on the inside. Deburring is the removal of irregularities and sharp …
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