Curated OER
Take a Stab!
Your geology class practices taking core samples of a potato to examine the stratigraphy. This is a terrific modeling lesson that helps youngsters visualize strata that cannot be seen from the surface of the ground. The directions...
Curated OER
Multi-dimensional Modeling of Ore Bodies Making Sense of Empirical Data
Math scholars identify four different rock types in that strata and use this identification and data to construct a two dimensional geologic cross-section. They use data tables to construct a three-dimensional geologic cross-section.
Curated OER
Groundwater Movement
Students study groundwater movement beneath the surface of the Earth. In this agriculture lesson, students experiment with how water moves through rock materials such as sand, gravel, and clay.
Curated OER
Basics of Archaeology
Middle schoolers identify what and how to complete an Archaeological excavation is conducted. They identify the transition from one layer to the next more easily if the colors of the layers are different. When creating a dig, the...
Curated OER
Who Was Here First? Relative Dating
Students read about and complete question activities for the topic of relative dating. In this relative dating lesson, students read information for the topic and then complete two activities to further their understanding of geologic...
Curated OER
Plant Life of the Rainforest
Students study pictures of tropical rainforests and discuss its stratified character. Students then work with a partner to make a scale drawing of the rainforest strata.
CPALMS
Florida State University Cpalms: Florida Students: Weathering, Erosion, and the Rock Cycle
Learn about the processes involved throughout the creation of sedimentary rock.
CK-12 Foundation
Ck 12: Plix: Sedimentary Rock Classification
[Free Registration/Login Required] Get a visual of how sedimentary rock forms through an interactive animation on this site. Also, test your understanding with a short quiz.
University of Glasgow
Statistics Glossary: Stratified Sampling
An online statistics glossary which contains the definition for stratified sampling. Lists reasons for using stratified sampling instead of simple random sampling and gives an example situation in which stratified sampling may be used.