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Written by: Zeng Kaixin
2021-01-25 08:00
Last update date: 2021-01-25 08:00
Under the new coronavirus epidemic, all secondary schools in Hong Kong have been suspended for a long time. Many students and teachers lamented that it was difficult to keep up with the progress of their studies, and some courses that required experiments were not carried out.
With the support of the Quality Education Fund, the team of the Department of Applied Physics of PolyU established an "All-weather Science Laboratory", allowing students to conduct remote real-time experiments anytime, anywhere through web cameras and online platforms.
A student from St. Stephen's Girls' Middle School who used the platform for experiments said that the platform allows her to see the experiment process in real time, and she can control and adjust the operation of the equipment by herself, describing the experiment process as "so real."
Mai Chiliang, associate professor of the Department of Applied Physics at the Hong Kong Polytechnic University, who is in charge of the project, mentioned that some dangerous experiments, such as radioactive experiments, can also be carried out by students through the platform. They can do experiments and greatly reduce risks.
(Photo by Lu Yiming)
It is difficult to return to school as an experimental platform for remote real-time experiments
Under the epidemic situation, all middle schools in Hong Kong need to suspend classes and it is difficult for students to return to school to conduct experiments. The remote experiment platform provides high school students with opportunities to conduct experiments in real time.
Associate Professor Mai Chiliang of the Department of Applied Physics of the Hong Kong Polytechnic University, who is in charge of the project, mentioned that experimental teaching is an indispensable part of science education. "Don’t just teach theories. Students have a long way to master (knowledge).” Through experiments, you can Consolidate the knowledge learned in class for students.
However, due to limited resources, not all middle schools have the necessary equipment for experiments. In addition, some experiments are more complicated. Teachers in some middle schools can only show students online clips or make simulation experiments, and students are unable to "settle their hands." Experiment.
Mai Chiliang pointed out that through the "all-weather science laboratory" set up in the Polytechnic University, students can control the experiment "in real time and do it in real time" through the network camera and online platform. Students also need to master the experimental skills. The correct experimental results can be obtained.
In addition to more difficult experiments, some dangerous experiments, such as radiological experiments, can also be carried out by students through the platform, which can greatly reduce risks while doing experiments.
Ms. Qiu Yingyi, director of physics at St. Stephen’s Girls’ Middle School, believes that through the system, students’ abilities and progress can be understood and appropriate guidance can be provided.
(Photo by Lu Yiming)
Teachers of St. Stephen’s Girls’ High School Participation Project: Students respond well
Professor Qiu Yingyi, director of the physics department of St. Stephen's Girls' Middle School, said that by chance, at a meeting of the Education Bureau, Professor Mak introduced the remote experimental platform. She thought the platform was new and decided to try it.
After the trial, the students' response was good, so they decided to continue using the platform so that students can conduct experiments through the platform.
Data analysis can be downloaded on the platform to monitor progress through the system
In addition, after completing the experiment, students can download experimental data on the platform for analysis, and teachers can also monitor the progress of students through the system.
Teacher Qiu believes that through the system, students' abilities and progress can be understood, and appropriate guidance can be provided. Even if they cannot return to school for experiments under the epidemic, the platform is a feasible way to evaluate students' abilities and achievements.
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The platform can control and adjust the operation of the instrument. Students describe the experiment as "so real"
The "All-weather Science Lab" platform is open 24 hours a day. Students only need to log in with an account to select the experiment and make an appointment for the experiment, regardless of geographical or time constraints.
At present, 6 experiments are provided, including electromagnetic induction, visible spectrum, bacterial growth, etc., covering physics, chemistry and biology.
Student Zhou Yuantian from St. Stephen’s Girls’ Middle School, who used the platform for experiments, said that the platform allows her to see the process of the experiment in real time, and she can control and adjust the operation of the instrument. Some of the more abstract physical concepts can also be clearly understood through the experiment. He also described the experiment. The process is "so real."
Student Zhou Yuantian from St. Stephen’s Girls’ Middle School, who used the platform for experiments, said that the platform allows her to see the experiment in real time, and she can control and adjust the operation of the instrument.
(Photo by Lu Yiming)
She also mentioned that many experiments are time-consuming and difficult to complete in class. Even if the unfinished experiments are left for the next day to continue, there is a chance that the data will change.
Through the "all-weather science laboratory", she can conduct experiments at any time without worrying about the lack of time. When the experiment is wrong or the data is inaccurate, she can also carry out the experiment many times.
Since 2014, the PolyU Department of Applied Physics team has carried out a series of projects to set up remote scientific experiments, aiming to coordinate and enhance STEM education in secondary schools. The plan has received a total of 11 million grants from the Quality Education Fund, which started in March 2019 The project "All Weather Science Lab" accounted for 5.6 million of the funding.
Mai Chiliang pointed out that in the future, it is expected that the number of remote experiments can be increased to 15 and that radiological experiments will be advanced in the next one to two months.
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