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G4 | Pudong Campus: Science Activity: Young Innovators Shine: Fourth Graders Create Winning Thermos in STEM Challenge

January 3, 2024

Our fourth-grade students recently embarked on an exciting journey of learning about conductors and insulators. In week 19, they applied their scientific knowledge to a practical STEM challenge: constructing a thermos capable of holding boiling hot water. The task showcased their emerging engineering skills!

Each group in the class was equipped with three cups of varying sizes, paper towels, aluminum foil, cotton, a laminating sheet, and packaging tape. They explored the fundamental design principles of hot water thermoses. The students cleverly used aluminum foil to reflect the heat back into the thermos, while cotton and paper towels were strategically placed between the nested cups for insulation. An important part of the challenge was to create a vacuum between two of the cups, leveraging our recent lessons on how empty spaces serve as excellent insulators.

Students’ thermos impressively retained a temperature of 58.2°C after an hour. All groups from the fourth grade impressively demonstrated their understanding of insulators and conductors, creating functional thermoses. Congratulations to our fourth graders for their remarkable achievements!

(Written by Will Joines Pictures by Wang Jiangyue Edited by Cong Luo, Wu Shiyu (Intern), Bianca Noguera)