This is the miniseries on Computer Science Concepts that I curated and lectured to elementary and secondary students at the Daegu National Science Museum
What is Programming => https://www.youtube.com/watch?v=PB_H2XjpTew
Algorithms and Instructions => https://www.youtube.com/watch?v=8IQxx6zOtiM
Parts of a Computer => https://www.youtube.com/watch?v=xdbqpEkdxlc
Cryptography => https://www.youtube.com/watch?v=qSOiQqq-0zU
Caesar Cipher Wheel Tutorial => https://www.youtube.com/watch?v=O_B-bIahGtw
Internet Do's and Don'ts => https://www.youtube.com/watch?v=8Q8GyL2LQW0