Why Lemon Can Generate Electricity, What Does Mars Convenience Store Sell? Shanxi Science Popularization Event Full of Goods

Taiyuan, September 17 (Xinhua) (Reporter Fan Lifang) - Even electromagnetic wave communication between Earth and Mars traveling at the speed of light takes over 45 minutes to ask and answer questions; Adding white vinegar and edible alkali, purple cabbage juice can present different colors; Insert the copper and zinc strips connecting the wires into the lemon to generate electricitySeptember 17th is the 20th National Science Popularization Day, and this year's theme is "Improving the Scientific Quality of the Whole People to Help Science and Technology Self reliant and Strong".The 2023 Shanxi Provincial National Science Popularization Day event was launched at the Shanxi Provincial Science and Technology Museum

Taiyuan, September 17 (Xinhua) (Reporter Fan Lifang) - Even electromagnetic wave communication between Earth and Mars traveling at the speed of light takes over 45 minutes to ask and answer questions; Adding white vinegar and edible alkali, purple cabbage juice can present different colors; Insert the copper and zinc strips connecting the wires into the lemon to generate electricity

September 17th is the 20th National Science Popularization Day, and this year's theme is "Improving the Scientific Quality of the Whole People to Help Science and Technology Self reliant and Strong".

The 2023 Shanxi Provincial National Science Popularization Day event was launched at the Shanxi Provincial Science and Technology Museum. Photographed by Han Yibo

On that day, the 2023 Shanxi Provincial National Science Popularization Day provincial city main event was held at the Shanxi Provincial Science and Technology Museum, including the first Shanxi Yangquan Liu Cixin Hometown Science Fiction Culture Activity Week Science Fiction Art Exhibition, the 2023 China Science Popularization Photography Excellent Works Exhibition, the "Living on Mars" theme exhibition, the "Same Science Class" theme science course, and other activities. Many science popularization experiments were moved to the site, attracting everyone to visit and participate.

Listen, this is music played using lemon to generate electricity. "In front of the science popularization booth, volunteers are teaching children about the power generation principle of lemons:" Zinc sheet is the negative electrode, copper sheet is the positive electrode, connected with wires, and after inserting citric acid, there is an oxidation-reduction reaction, which generates an electric current. We can also make simple primary batteries at home using fruit acid containing substances such as apples

The children are visiting the "Living on Mars" themed exhibition. Photographed by Fan Lifang

The "Living on Mars" themed exhibition showcases "Future Life" to visitors: If one day we could live on Mars, what kind of magical experience would it be? The exhibition uses images, animations, and interactive scene modes to educate the public on why a spacesuit is needed on Mars, how to grow vegetables on Mars farms, how to communicate with Earth on Mars, and what products are sold in Mars convenience stores.

Display of sales items at Mars convenience store. Photographed by Fan Lifang

According to the arrangement, 18 departments and bureaus in Shanxi Province will jointly carry out a series of activities on the National Science Popularization Day from September 17th to 23rd, with a total of 34 events arranged, which are rich in content, diverse in forms, and close to the public. Some activities will also be extended to late December.

Volunteers are showcasing lemon power generation. Photographed by Fan Lifang

Ding Jigang, Secretary of the Party Group of the Shanxi Provincial Association for Science and Technology, said that the holding of these activities plays a positive role in promoting the spirit of science, popularizing scientific knowledge, stimulating scientific dreams and aspirations, and creating a good atmosphere of emphasizing, loving, learning, and using science in the whole society.

At the event launch ceremony, Zhou Ran, Chairman of the Shanxi Provincial Association for Science and Technology, awarded flags to the low-carbon environmental protection volunteer service team, mental health technology volunteer service team, science popularization and agriculture volunteer service team, and other technology volunteer service teams. The technology volunteer service team will focus on economic and social development and public needs, and conduct volunteer services in various regions. (End)

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