As a TA, graduate students act as course graders, as laboratory instructors in the physics laboratory courses, or as discussion leaders in the recitation sections of an introductory physics course. Graduate students usually continue as a TA in their second year.
Summer sessions are also available.
These positions usually span the 12 month year. RA's are linked to a specific project. Individual faculty members should be consulted about opportunities. Usually there are many positions available at any time. The RA is available for 3 years or more.