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Middle School Biology Department: Small Plants, Big Harvests

May 26, 2022

After systematically learning about botany and the scientific method, the sixth graders ushered in the project of this semester. They were placed in a real-life scenario, imagining themselves as farmers thinking about how to plant seeds for spring plowing and exploring the effect of different soil depths on seed germination. The students practiced each step of scientific inquiry: asking questions, doing background research, constructing hypotheses, conducting experiments, collecting data, and finally making a conclusion. After more than a month of hard work, students submitted high-quality research results. For many students, it was the first experiment they had designed using the scientific method, which left them with a gratifying sense of accomplishment.

Students were free to choose different seeds for experiments, such as soybeans, strawberries, peas, or coriander. Everyone’s hypothesis was unique. Some students believed that directly placing the seed on the soil surface was the most favorable condition for seed germination, while other students thought that covering the seeds with the soil of varying thicknesses was more favorable for germination. The next step was the experimental part. They set up a control group and at least 2 experimental groups. The students carefully observed and recorded the data regarding germination rates of the seed, later to be used to create graphs and charts. Students also reflected on potential sources of experimental error. After the experiment, many students continued to take care of the young shoots, watering them every day and hoping that they grow quickly. Maybe some of these students are discovering their green thumbs for the first time.

By carrying out such scientific inquiries, the students’ independent thinking abilities, observation abilities, hands-on experimental abilities, and comprehensive problem analysis abilities have been thoroughly exercised and seen tremendous growth. Students’ scientific literacy has been further improved. Although the experiment is over, the seeds of scientific inquiry are continuing to be sown and sprout in the hearts and brains of our 6th-grade students. We hope that these seeds grow taller and taller and unleash their greatest potential.

Written by RongZhang Hu, Michael Martin

Pictures by G6 Students

Edited by Huang Shiyuan, Kristjan Butler