Under Attack

This semester I'm feeling under attack at KSU. I knew that in a solar system science class that "Big Bang" would be what was taught, however my professor and most of my fellow students totally discount creation at any level. Truth be told, I was expecting anything different even though I don't believe it or like it. My problem comes from the professor calling anyone who believes in creation "a super religious freak". I haven't been bold enough yet to say anything to him. I'm kind of afraid to speak up now because he is the only teacher that teaches this class and I need to pass it in order to finish my program. At the same time, I feel like I need to defend my faith but just don't know what is the best way to do and when the best timing will be. This isn't something that I'm very good at anyway.