Conducting a fair test is one of the most important ingredients of doing good, scientifically valuable experiments. To insure that your experiment is a fair test, you must change only one factor at a time while keeping all other conditions the same. Scientists call the changing factors in an experiment variables.
Eligibility Requirements for VFW Auxiliary Membership: Members must be citizens of the United States or a United States National, and at least 16 years old.
LVN Program Requirements. The basic requirement for admission to a Licensed Vocational Nurse program is that you need to possess a high school certificate, or GED. You must also be able to pass the entrance examination offered by most schools.