Students measure the force or drag on different surfaces with the aid of a force measurer and balloon with elevator box. Taking part in the project are, from left: Dennis Trayer, Mr. Carroll Scott, Karen Lindhart, Kathy Martin, and Bob Meade.
Iowa Science Teachers' Journal
© Copyright 1967 by the Iowa Academy of Science
"Florida State Curriculum Project for Williamsburg Junior High School,"
Iowa Science Teachers Journal: Vol. 5
, Article 12.
Available at: https://scholarworks.uni.edu/istj/vol5/iss1/12