<p>[Change</a> of Major — UCLA Engineering Office of Academic and Student Affairs](<a href=“http://www.seasoasa.ucla.edu/change-of-major]Change”>http://www.seasoasa.ucla.edu/change-of-major)
^All you want to know.</p>
<p>Start taking Chem (20A) and math (its 31A-33B). Once you have fulfilled 2 prereq maths and 2 prereq chem/physics, petition to switch at the end of 2nd quarter. Its all about GPA.</p>
<p>PS: 1)You are not a transfer right?
2) The flopsy thread has great info</p>
<p>Good luck!</p>