以下是我女儿她们4年级UOI第二个主题：System ，她们一学期探究3个主题，UOI是主课。有4年级的同学也来试试吗？要自己找书及资料的，最后结题的方式是自由的，可以是视频、ppt、展板、报告等，但需要当着全班或更多的人面，讲解、回答提问。
Transdisciplinary Theme: How We Organize Ourselves
Central Idea: Systems need to be in place to maintain organizations
Key Concepts: Form Function Responsibility
Related Concepts: Responsibility and Right Self-discipline Maintenance
Lines of Inquiry:
1) Different systems in the community
2)The operations of system
3)Our responsibilities regarding the systems
