In this field investigation, students will be able to observe, record, compare/contrast a variety of sinkholes located in the southeastern Minnesota area, including a significant one at the Harmony Karst Interpretive Site. The students...

In this investigation, middle schoolers will use sand to build a mountain and then use a straw and watering can to simulate wind erosion and water erosion. Students will make observations and then propose ways to slow the erosion and/or...

[Free Registration/Login may be required to access all resource tools.] How rock layers in different locations can be connected to make pictures of a region's geology.

[Free Registration/Login may be required to access all resource tools.] How rock layers in different locations can be connected to make pictures of a region's geology.