Paul Andersen June 1, 2022 The Wonder of Science Alka Seltzer Rockets Paul Andersen June 1, 2022 The Wonder of Science
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Paul Andersen September 30, 2018 Shared Hawaii Eruptions Paul Andersen September 30, 2018 Shared HS-PS1-5 - Hawaii Eruptions Wolfgangbeyer [GFDL or CC-BY-SA-3.0], from Wikimedia Commons
Paul Andersen December 11, 2017 Calcium Carbonate and Hydrochloric Acid Paul Andersen December 11, 2017
