Rain Erosion-Does the Rate of Water Effect Erosion? part of MnSTEP Activity Mini-collection
This activity is a guided inquiry investigation where students gather data on rate of water falling on erosion. Student will interpret their data, and develop a conclusion from the data. The data will lead to further questions, which can be developed by the students.

Mineral Density: Teaching accuracy, slope, and percent error in the Earth science classroom part of MnSTEP Activity Mini-collection
This activity is a lab investigation in which students make mass/volume measurements of several samples of the same mineral to determine the mineral's density. Students graph their data and make the connection between their qualitative understanding of what density is and the mathematical/graphical representation of density.

Investigating Soil Composition - Soil Soaks Up Water part of MnSTEP Activity Mini-collection
This activity is a classroom quick lab where students explore sand, soil, and water in relation to absorption and permeability.

How Does Water Get Polluted? part of MnSTEP Activity Mini-collection
This activity is a hands-on modeling of the effects of pollution on our ground and surface water. Students will observe and record their observations as pollution is placed on the ground in their model and it is rained upon.