This action research dissertation provides an overview of inquiry based learning in online general chemistry course. Due to the COVID-19 pandemic, many science course have been converted to an online format. In order to increase student learning and attitudes in online chemistry class, two inquiry based learning activities were developed and implemented. The results on student learning and attitudes were measured by monitoring discussion forum posts, a student survey, and an assessment test. Results show that students had positive results in both learning and attitudes. Furthermore, the researcher's understanding of inquiry and ability to implement inquiry learning were studied by use of a reflection journal and observation rubrics. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com.bibliotheek.ehb.be/en-US/products/dissertations/individuals.shtml.]