science festival 2021 Q65 ja
![金属は熱をあてると体積が大きくなるのですか?](/sites/default/files/styles/embed_lg_1x/public/2023-12/science_festival_2021_Q65_ja.jpg?itok=Xn8asYUp)
Date:
11 December 2023
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).