Dr. Carissa Hammann ‘10 recently visited the local Carlinville Cub Scout Pack 65, Bear Scout den meeting to lead an engaging, hands-on science lesson designed to spark curiosity and excitement about chemistry and physical science.
During the visit, scouts explored the concept of polymers and cross-linking chains by creating “gluep” using a borax and glue solution. They also observed the rapid decomposition of hydrogen peroxide to water and oxygen gas through its reaction with potassium iodide, producing a crowd-favorite demonstration known as elephant toothpaste.
Additional activities introduced fundamental principles of density, as scouts tested whether eggs would float or sink in regular water, salt water, and sugar water. The group also created a “rain cloud in a jar” using shaving cream, water, and food coloring to visualize how precipitation forms in the atmosphere.
The visit reflects the Blackburn College Science Department’s continued commitment to community outreach and early science education. By bringing interactive experiments to local students, the department hopes to inspire a lasting interest in science and encourage young learners to explore the world through observation and experimentation.