Handheld Vacuum Cleaner: Can dust cleaning be fun? Creative Commons, Attribution + Noncommercial + ShareAlike (BY-NC-SA)
Authors: Eugenides Foundation
Engineering
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This challenge introduces the field of electrical engineering by guiding students to explore how electrical engineers design and test technologies in order to fulfill human needs. Following the Engineer Design Process, students are introduced to the real world of creative engineering product design, such as the construction of an electric vacuum cleaner. Electricity and magnetism are all around us. Every day we use electric lights, electric clocks, calculators, televisions, computers, radio, and mobile phones. Light itself is an electromagnetic phenomenon. The colors of the rainbow are there because of electricity. Cars, airplanes, trains can only run because of electricity. Muscle contractions require electricity; our nerve system is driven by electricity. Atoms, molecules, all chemical reactions exist because of electricity. We couldn’t even see without electricity, our heart would not beat without electricity and we could not even think without electricity (Walter Hendrik Gustav Lewin).
Knowledge acquisition gain
  Skills: Introduction of the world of design process and on how engineers work / encourage problem-solving skills / practical application of science and math in engineering / developing critical thinking / support teamwork, motivation, troubleshooting and learning from failure / understanding of the materials and their role in the engineering process. Science concepts: electricity, magnetism, electromagnetism, Induction, Law of electromagnetic induction, Faraday’s experiment, Oersted’s experiment, magnetic field, electric field, electric circuit, Bernoulli’s principle, Venturi effect.
Group
  3-4
Duration
  240 min
Number of staff
  1
Science Discipline
Engineering
Education Level
12-18 years
Installation effort
No installation required on typical computer
Knowledge prerequisites
Intermediate
Setting
Classroom use
Outdoors
Supervision required
Teacher supervision required
Technical requirements
You'll need to buy some materials

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