Publication: More fun and curiosity with magnetic guns in the classroom
2
Issued Date
2011-05-01
Resource Type
ISSN
13616552
00319120
00319120
Other identifier(s)
2-s2.0-79956354747
Rights
Mahidol University
Rights Holder(s)
SCOPUS
Bibliographic Citation
Physics Education. Vol.46, No.3 (2011), 318-322
Suggested Citation
O. Chittasirinuwat, T. Kruatong, B. Paosawatyanyong More fun and curiosity with magnetic guns in the classroom. Physics Education. Vol.46, No.3 (2011), 318-322. doi:10.1088/0031-9120/46/3/011 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/12848
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More fun and curiosity with magnetic guns in the classroom
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Abstract
The magnetic gun was chosen as a hands-on activity for our high school students. When conducting this activity in the classroom, we found some interesting points were raised following difficulties encountered by the students. Some students proposed that during the collision, the magnet changed its pole then it pushed the last ball out of the apparatus, but some suggested that all the balls were attracted by magnetic forces, therefore the last ball could not shoot out. With a question to raise their curiosity, 'How do magnetic guns work?', our students explored notions of magnetic force, work, and conservation of energy and momentum through their own design of magnetic guns. This article describes a method for measuring the changes of kinetic energy and describes factors that students should consider for making magnetic guns more powerful and for having fun with the activity of building them. © IOP Publishing Ltd.