This lesson provides six student seats. Choose the group and role before entering. Work inside the same page, upload everything to the teacher console, and complete the experiment directly here.
Complete the questions, the experiment, and the reflection in order.
Complete the two review questions first.
Finish the observation question after the experiment.
查看每一项当前是否已经完成。
围绕助学单和当前实验参数提问，回答会结合你的小组实验状态。