[STEM Classroom] Lesson 8: Why is my Potato Chip Bag Half Empty?
Published on 02 Dec 2018

Have you ever opened a potato chip bag and only find that it is half full? Are we paying for the air and getting the potato chips for free? The air inside is not just any air, it is nitrogen. What is nitrogen? Why is the bag filled with nitrogen?

The video is produced by STEM Initiative Hong Kong. Contents are proofread with the assistance of Croucher Scholars.