This site contains 24 questions on the topic of geologic time, which covers dating techniques and unconformities. This is part of the Principles of Earth Science course at the University of South Dakota. Users submit their answers and are provided immediate feedback. Full description.

This web site provides interactive quizzes on minerals and mineralogy. Users can select quiz type (multiple choice or fill in the blank), as well as subject type. The subjects covered in this quiz include native metals and sulfides, oxides and hydroxides, evaporites including carbonates, phosphates, and halides, simple silicates including neosilicates, garnets, and alumino-silicates, soro/cyclo-/inosilicates, ... Full description.

This site contains 23 questions on the topic of atoms and minerals, which covers mineral types and characteristics. This is part of the Principles of Earth Science course at the University of South Dakota. Users submit their answers and are provided immediate verification. Full description.

This site contains 25 questions on the topic of plate tectonics, which covers the development of the theory, crustal movements, geologic features associated with tectonics, and plate boundaries (convergent, divergent, transform). This is part of the Principles of Earth Science course at the University of South Dakota. Users submit their answers and are provided immediate verification. Full description.

This site contains 12 questions on the topic of mass wasting, which covers mudslides, lahars, landslides and more. This is part of the Principles of Earth Science course at the University of South Dakota. Users submit their answers and are provided immediate feedback. Full description.

This site contains 17 questions on the topic of groundwater, which covers aquifers and water tables. This is part of the Principles of Earth Science course at the University of South Dakota. Users submit their answers and are provided immediate feedback. Full description.

This site contains 18 questions on the topic of planetary geology, which covers planetary position, composition, and characteristics. This is part of the Principles of Earth Science course at the University of South Dakota. Users submit their answers and are provided immediate verification. Full description.

This site contains on-line quizzes to test knowledge of physical geology, including rocks, oceans, glaciers, rivers, plate tectonics, paleontology, and planetary geology. There is also a practice geologic time scale with Eons, Eras, Periods, and Epochs to be filled in and checked. Each quiz is in multiple choice format and allows users to check for correct answers as the quiz is taken. Full description.

This is a practice exam from a college-level geology course. The questions include the topics of igneous rocks and their texture, and volcanism types. The exam corrects as it is completed. Full description.

This site contains 13 questions on the topic of metamorphic rocks and processes, which covers foliation and grades of metamorphism. This is part of the Principles of Earth Science course at the University of South Dakota. Users select an answer and are provided immediate feedback. Full description.