Science is based on evidence, observation and experimentation. Faith is basically belief with no evidence.
Evolution is one of the most tested theories in science. It's supported by fossil evidence, genetic evidence, and has been observed in real time.
Faith is belief with little to no evidence, evidence that is full of contradictions and has countless avenues, if a million men all had slightly different faiths, they can't all be correct.
Faith doesn't diagnose and treat disease, it doesn't build rockets and fly to the moon, science does.
Scientists don't claim to know ALL