In no particular order:

Scientist - The Dandy Warhols
21st Century Digital Boy - Bad Religion
I am a Scientist - Guided by Voices
I Want to Conquer the World - Bad Religion
Imagine - John Lennon
Revolution - The Beatles
'Merican - Descendents
I Love My Computer - Bad Religion
Fuck the Creationists - M.C. Hawking
What We Need More of is Science - M.C. Hawking
Ready to Roll - Flashlight Brown
What It Is - Bad Religion