Resources:
Experiments thanks to:
Liem, Tik L. Invitations to Science Inquiry: Second Edition. Science Inquiry Enterprises, Copyright 1981. Pages 1-68.
Dr. Jack Gerlovich, Drake University.
Sample, Sharron. http://kids.mtpe.hq.nasa.gov/archive/air_pressure/.
SAIC Information Services. July 27, 1997.