https://padlet.com/huiseungjung/1017 지층이 쌓이는 순서를 실험을 통해 추리해보고, 지층이 어떻게 만들어지는지 설명해 봅시다. en-us 2022-10-13 09:14:01 UTC 2025-09-30 14:58:44 UTC hello@padlet.com https://padlet.net/icons/png/1f3de.png huiseungjung https://padlet.com/huiseungjung/1017/wish/2342370567 지난 시간에 수업한 패들렛입니다.]]> 2022-10-17 02:06:54 UTC https://padlet.com/huiseungjung/1017/wish/2342370567 https://padlet.com/huiseungjung/1017/wish/2342792387 2022-10-17 08:23:45 UTC https://padlet.com/huiseungjung/1017/wish/2342792387 https://padlet.com/huiseungjung/1017/wish/2342792510 2022-10-17 08:23:51 UTC https://padlet.com/huiseungjung/1017/wish/2342792510