Exploratorium
Exploratorium: Science Snacks: Pie Pan Convection
In this experiment, students observe what happens when a pan of soapy, colored water is heated. They will see that convection currents cause the fluid to rise and sink in a localized convection cell.
CK-12 Foundation
Ck 12: Earth Science: Divergent Plate Boundaries Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on divergent plate boundaries. Review questions are included at the bottom of the study guide.