Curated OER
Sinkholes in a Cup
Learners create sinkholes and learn about the formation of sinkholes by using water, a foam cup, sugar, sand, and a sponge. In this sinkholes lesson plan, students also answer short answer questions.
Other
Dcr.virginia.gov: A Resident's Guide to Sinkholes
This site describes what sinkholes are, how they form, problems associated with sinkholes such as flooding and pollution, and sinkhole locations. It discusses the two types of sinkholes, the main differences between karst and non-karst...