B2.3 Filtering soluble substances from water – Tracking down technology (worksheet)
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Printable worksheet:
Technical applications as a supplement to subexperiment 3 “Filtering soluble substances from water” of the experimentation instructions for Experimento | 8+ “B2 Water purification.”
English, Spanish (CREA), German
Text
2023-12-13
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The work assignment includes two photos: The first photo shows an application with everyday relevance. The second 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.
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.
Worksheet (printable)
Biology; Chemistry; Personal, social and health education (PSHE); Physics
Grade 1 to 4; Grade 5 to 6; Grade 7 to 9
Elementary school; Middle/high school
Drinking water; Groundwater; Salt; Water treatment
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