Here is a simple activity that demonstrates to students the effects of water erosion on rocks. During the activity, students will observe the effects of water erosion on the rocks and in the water. This activity can be used for a variety of lessons. The simplest of which would be to have the students make qualitative observations about the rocks and the processes occurring.
The PEER Program is composed of three grants entitled
"GK-12 Fellows Integrate Science/Math in Rural Middle Schools", "Integrating Environmental Health Science in Rural Schools,"
and a NCRR Science Education
(SEPA) entitled "Science Promotion in Rural Middle Schools".