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[수학체험실] 그림자 놀이로 배우는 도형
수학동아 2018.12.28 17:50 조회 1496
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

 

입체 구조물에 빛을 요리조리 비추면 다양한 모양의 그림자가 생긴다. 손전등으로 정육면체 구조물을 빛을 비춰 어떤 도형의 그림자가 생기는지 살펴보고, 동그란 구에도 빛을 비춰보자. 구의 그림자가 만드는 도형은 무려 4가지로 모두 확인하는 게 이번 체험의 목적이다.

태그
#그림자가 만든 원뿔곡선 #정육면체 그림자엔 육각형이 있다? #원뿔곡선 그림자 만들기 #앙부일구 #그림자 시간 재다
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