You must complete these modules and their assessments according to the dates listed in the course calendar. This is only a listing of online lectures, and does not include all course assignments or deadlines. Consult the course calendar for a full listing.

Click on the name of the module to be directed to its content. Modules will open within this page. When you open a module, you will see a navigation bar on the left side of the Module screen. This will show you the different sections for each module (Introduction, Objectives, Readings and Articles, Lecture, Global View, Assessment) - you should be certain to complete ALL sections and pages of a module. The “Introduction and Principles” module will give you an overview of each of these sections.

You may go back to the index of modules anytime by clicking on "Unit List" within the module content, or by clicking "Module Index" in the main Oncourse page for this course. If you have trouble or have questions, the “Help/Contact” link on every page will take you to a page where you can find information on how to resolve problems you might be having.

Unit 1: Science

1. Introduction and Principles
2. Scientific Method
3. Science and Society
4. Library Resources

Unit 2: Earth System Science

1. Earth Science
2. Geologic Time and Plate Tectonics

Unit 3: Earth Components

1. Rocks and Minerals
2. Soils
3. Other Earth Components: Air, Ice, and Water
4. Ecosystems

Unit 4: Earth Processes

1. Earthquakes
2. Volcanoes
3. Surficial Processes
4. Rivers and Floods

Unit 5: Humans and Resources

1. Resources
2. Energy
3. Resource Disposal and Recycling (Waste)

Unit 6: Human Society and Earth

1. Air and Water Pollution
2. Climate Change
3. Consumption