These children are using force measures to find out about equilibrium. They are in the junior high school at Williamsburg, Iowa. The students are Linda Dougherty, Jo Ann Collingwood, Mike Malloy, Marian Giles, and David Engel.
Iowa Science Teachers' Journal
© Copyright 1967 by the Iowa Academy of Science
"Children Using Force Measures to Find Out about Equilibrium (Photo),"
Iowa Science Teachers Journal: Vol. 4
, Article 7.
Available at: https://scholarworks.uni.edu/istj/vol4/iss4/7