Science Fair
Item
Title
Science Fair
Description
"Angela Krieg, left and Cheri Nielsen, sixth-graders at Frederick Post Elementary, demonstrate their experiment, 'Solid plus liquid equals gas,' Thursday at the schools science fair. In the experiment, Krieg and Neilsen poured backing soda into a bottle partially filled with water ad then covered the bottle top with a balloon. The chemical reaction of the baking soda in teh liquid caused the balloon to inflate." Post Falls Tribune, February 27th, 1992. Photo by Doug Watts.
Date
1992
Rights
Copyright held by Hagadone Corporation. Used with permissions granted on January 4th, 2021.
