Questions ...unless you are penalized for quessing. If you are penalized for wrong answers, eliminate answers you know are incorrect, then make a guess (if you have eliminated enough answers to risk the guess). Be Sure You Answered All Questions Double-check for completeness. Check Your Work If you have the time, this is very important. Science tests are notorious for problems in which answers depend on earlier sections. Don't Second-Guess Yourself Don't change your answer unless you are sure of the new answer.