Students engage in discovery learning by experimenting with different materials to understand the concept of buoyancy.
学生通过实验不同材料来理解浮力的概念，这是一种发现学习。
The teacher encourages discovery learning by asking open-ended questions that prompt students to explore and find answers on their own.
老师通过提出开放式问题来鼓励发现学习，这些问题促使学生自己探索并找到答案。