糸電話がなくても音が聞こえるのは？

https://w3id.org/jp-textbook/AB100000000181

Details

Unit Title
糸電話がなくても音が聞こえるのは？
Type of schools
Elementary School
Authorized year
2019
Subject area
Science
Subject
Science
Target grade
3
Page of Textbook
Textbook
たのしい理科３年
Page
75
Number Of Pages
0.5
Type
http://schema.org/Chapter
Section numbers of Course of Study Item from Compiling Prospectus
A(3)ア(ウ)物から音が出たり伝わったりするとき，物は震えていること。
Course Of Study Item
https://w3id.org/jp-cos/8260233131300000
Course of Study Item from Compiling Prospectus
https://w3id.org/jp-cos/8260233131300000
Compiling Prospectus
小学校3年理科(大日本)2019年検定教科書編修趣意書
Teaching Unit Type
Type 2: contents that are not required to be covered at any grade level in Courses of Study
Listing order
181
Type
Teaching Unit