Stream Morphology - Recommended for grades 4 - 6


How did that stream get there?  Using hands-on activities, students determine the factors involved in stream formation, including water source, substrate, incline, velocity, and turbidity.  We then journey to the East Branch Creek to identify how these factors influenced the formation of the stream.

Fee:  $8 per studentfor a half day program, $80 minimum fee per class. (Can be combined with another class for a full day field trip.) Fee includes half day program at the Conservancy, detailed Teacher Preparation Packet, and brief team meeting

For more information or for reservations contact: Linda Oltman, Environmental Education Coordinator, at (610) 287-9383 or

PDE Academic Standards addressed by this lesson include:

3.3.4.A1 - Describe basic landforms.  Recognize that the surface of the earth changes due to slow processes and rapid processes.
3.3.4.A4 - Recognize Earth’s different water resources, including both fresh and saltwater.  Describe phase changes in the forms of water on Earth.
3.3.5.A1 - Describe how landforms are the result of a combination of destructive forces such as erosion and constructive erosion, deposition of sediment, etc.
3.3.5.A4 - Explain the basic components of the water cycle.
3.3.6.A4 - Describe how water on earth cycles in different forms and in different locations, including underground and in the atmosphere.
4.1.4.E - Explain that ecosystems change over time due to natural and/ or human influences.
4.1.5.B - Explain the basic components of the water cycle.
4.2.4.A - Describe the physical characteristics of a watershed. 
4.2.6.B - Describe the characteristics of soils found in a wetland.
4.5.4.C - Describe how human activities affect the environment.