{"type":"rich","version":"1.0","title":"光的穿透性分類","description":"學生依光透過性將材料分類為透明、半透明和不透明，以應用於影子布偶劇場的活動","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922015471&hashid=9RKnVJaDK1","html":"<iframe src=\"https://arcade.padlet.com/embed/9RKnVJaDK1\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}