Paul Andersen June 1, 2022 The Wonder of Science Alka Seltzer Rockets Paul Andersen June 1, 2022 The Wonder of Science
Paul Andersen August 9, 2019 Shared Collision Theory and Rates of Reaction (NY) Paul Andersen August 9, 2019 Shared
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