Dein Suchergebnis zum Thema: have/"<b/""

For each subexperiment, the students are first provided with an overview of the materials to be used and safety information. This overview is followed by the detailed, step-by-step instructions for conducting the experiment. Afterwards, the students are asked to note their observations. Specific questions are used to guide the students as they analyze the results of the experiments. At the end, the students are asked in-depth questions related to the experiment.
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When there is excess electricity in the electricity grid, an electric pump in the plant is used to pump water from a lower tank to a higher one. Note: During spikes in demand, the water flows back down from the higher tank through the turbine of the low-lying power plant.
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The camera pans from a shot of a leaf to the microscope image of the leaf. You can see the stomata, cells with small openings. In addition, the video shows a microscope image of a hair cell, which is then magnified again to visualize it better. The video is an excerpt from the teaching DVD “Basiswissen BIO I – Pflanzenzellen, Fotosynthese, Atmung (English audio channel available).
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For each subexperiment, the students are first provided with an overview of the materials to be used and safety information. This overview is followed by the detailed, step-by-step instructions for conducting the experiment. Afterwards, the students are asked to note their observations. Specific questions are used to guide the students as they analyze the results of the experiments. At the end, the students are asked in-depth questions related to the experiment.
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Information and ideas: As a supplement to experiment “B7 Capacitor, hydrogen, redox
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The media package includes five additional experiments related to B2 “Greenhouse – The two additional experiments related to B3 “How does waste separation work?”
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The work assignment includes three photos: Two photos show an application with everyday relevance. The third photo is intended as a further idea. Specific work assignments guide the students in examining the technologies shown, provided that this is possible for the students in the lower grades. Information and ideas: • The text in the information sheet of the same name provides help in finding the answer. It also includes a lot of additional information. • The answer can be found in the answer sheet of the same name. These work assignments are designed to open a window to technology within the context of Experimento | 8+. The teacher and students should together go into more detail about technologies that are addressed in the experiments or develop the basic principles of the technical applications shown in the photos in order to reflect on and transfer the scientific knowledge gained in the experiment. Because technology is not a central learning objective of Experimento | 8+, the students are encouraged to examine the technology that surrounds them, but they should not be instructed to carry out extensive research to find a solution. The latter also cannot be expected of the students due to the complexity of the technical applications shown.
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The links can be used as preparation for or further study of the “Experimento | 8+” technology challenges of the Siemens Stiftung.
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A collection of three independent simulations illustrates the essential properties of ferromagnetic materials. The physical principles are each summarized in a mnemonic that can be displayed and hidden. The simulations in detail: • A magnet is disassembled. The inner structure made of elementary magnets (Weiss domains) becomes clear. • The elementary magnets in a ferromagnetic material are aligned in an external magnetic field. The material becomes magnetized, and becomes a magnet itself. • A magnetized material is exposed to heat or mechanical force and thus loses its magnetization. It becomes demagnetized. Information and ideas: The students can verify the illustrated facts in simple experiments.
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