During the 12th National Exhibition and Exchange of Research Results of the “Little Academician” Project of the Chinese Academy of Juvenile Sciences, after a series of selections such as theoretical written tests, results display, on-site defense, and expert evaluation, Jiangbei Songshuqiao Middle School students Yu's research paper "Finding Green Detergents" won the national second prize and won the honorary title of "Little Academy of Sciences".
"I often see the water dumped from the tableware in the restaurant, which is very dirty, and the random discharge has also caused pollution to the environment." Luo Yu said, for a long time, she had an idea: Can I find a low cost and low pollution Dishwashing liquid?
Last December, Luo Yu began his research. "Through daily life observations and the Internet, I found that people often wash rice with bowls of rice. Loofah has a strong ability to clean. Ginger can also wash away oil stains on cloths. So, can we Washing oil stains with fruit peels? "
So Luo Yu chose lemons, grapefruits, tangerines and bananas at home, cut the skin into small pieces and soak them in a water glass. After one day, pour a drop of cooking oil into the peel water glass and let it stand for 5 hours. "At this time, observe again. Different cups show different states. For example, the oil in the banana peel water does not spread out and gathers together; some of the grapefruit peels are scattered in the water, and the effect is better than the other three."
Luo Yu said that after that, they added salt and tea to the grapefruit peel water, and found that the grapefruit peel water with tea added had better oil removal effect. The entire experiment took about three days.
In the eyes of class teacher Wu Shuang, Luo Yu is a fully developed student. As a monitor, she does her best to do everything that the teacher tells her. She has a strong team spirit and a sense of collective honor. In the classmate's mind, Luo Yu is not only a model who excels in all aspects, but also a trusted friend.
In addition, Luo Yu also enjoys reading. "I think that through reading, not only broadens my horizons, but also cultivates an optimistic and positive attitude towards life and a strong will." However, Luo Yu is not a "nerd" generally considered by people, and she will always be seen on the sports field. Figure.
Urban Media Reporter Lin Qi Intern Wang Rui