📙 Advanced (960~1050) | Why Does the iPad Only Work with Its Own Pencil?

아이패드는 왜 오직 전용 펜만 사용할 수 있을까? ✔ 학습 목표 🔹 Reading Passage Many touchscreen devices are designed to accept input from fingers or a wide range of third-party styluses. In contrast, the iPad operates exclusively with the Apple Pencil—a decision driven not merely by design preference, but by advanced engineering and strategic system … 더 읽기

📙 Advanced (960~1050) | Why Do We Feel Lighter in Water?

물속에서 몸이 가볍게 느껴지는 과학적 이유는 무엇일까요? ✔ 학습 목표 제시부력의 원리를 아르키메데스 법칙을 통해 이해하고, 밀도와 부피 개념도 함께 배워요. 🔹 Reading PassageWhen you enter a body of water, such as a swimming pool, you may experience a noticeable reduction in your body’s apparent weight. This sensation is not a mere illusion; rather, it … 더 읽기