[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-88032-en":3,"doc-seo-88032-105":30,"detail-sidebar-cat-0-en-105":96},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":20,"is_deleted":4,"is_public":21,"is_downloadable":21,"audit_status":21,"page_count":22,"language":23,"language_code":24,"site_id":25,"html_lang":24,"table_of_contents":26,"faqs":27,"seo_title":13,"seo_description":14,"update_tm":28,"read_time":29},88032,687197207919,"Theodora","https://ap-avatar.wpscdn.com/avatar/a000253d6f5f7c60be?x-image-process=image/resize,m_fixed,w_180,h_180&k=1779446848396160552",6,"Technology","A Water Lens","This document outlines a simple science experiment for creating a \"water lens\" using basic household materials. It is presented as a school journal activity, specifically for English Science, and is divided into sections explaining the required equipment, the step-by-step instructions for construction, and a \"Check Your Understanding\" section with comprehension questions. The experiment involves using a large green leaf with a small, neat round hole, approximately the size of a pencil, and carefully placing a drop of water over this hole so it does not fall through. Once the water droplet is successfully suspended, the leaf can be used as a functional lens to view printed words and other objects. The follow-up questions aim to test the reader's comprehension of the instructions and the purpose of the experiment. These questions probe the necessary materials, the quantity of water needed, the reason for a small hole, alternative tools for making the hole, the applications of the lens, and the meaning of a specific word in the instructions. This educational content is designed to engage young learners in basic scientific principles through hands-on activity.","A Water Lens  \nSchool Journal Junior 1, 2005-V1 .1  \nEnglish Science  \nYou will need:  \n-a strong green leaf as big as your palm  \n-some water  \n1  \nHow to make it:  \n1. Make a small neat round hole in the leaf.  \nThe hole should be the size of your pencil.  \n2  \n2. Put a drop of water over the hole. Make sure the drop of water does not fall through. If the water falls through, try again with another drop of water.  \n3. When this is done, you are ready to use your new lens. Try looking at printed words and things around you. Enjoy your new lens.  \n3  \nCheck Your Understanding  \n1) What equipment do you need to make a water lens?  \nCheck Your Understanding  \n2) Do you think you need a whole cup of water? How do you know?  \nCheck Your Understanding  \n3) Why don’t you make a large hole with the pencil?  \nCheck Your Understanding  \n4) If you did not have a pencil, what could you use to make the small hole?  \nCheck Your Understanding  \n5) What can the lens be used for?  \nCheck Your Understanding  \n6) Look at instruction 3. 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