1. How to coordinate with other people. Undergrad: Nobody cares what you do as long as you get good grades. Grad: Nothing can be done alone. Grades are nothing

2. How to be efficient. Undergrad: Nobody cares where you use your time as long as you get good grade. You can sacrifice your time of playing, sleeping, eating, and etc. Grad: You need to contribute the most to the group with your time. Nobody actually cares what you know or fundamentally understa