Cuyahoga Valley National Park

Cuyahoga Valley National Park is one of the most beautiful places in Northeastern Ohio. The park is a refuge for native plants and wildlife and deep forests, rolling hills, and open farmlands for visitors to explore.  But did have you ever wondered how the valley was formed? Join us on 360 million year journey through time as we discover the geologic forces that created the Cuyahoga Valley we see today!

Park website 

NGSS Standards

  • MS-ESS2-2. Construct an explanation based on evidence for how geoscience processes have changed Earth’s surface at varying time and spatial scales.
  • MS-ESS1-4. Construct a scientific explanation based on evidence from rock strata for how the geologic time scale is used to organize Earth’s 4.6-billion-year-old history.

Cuyahoga Valley National Park – Geologic History

Video Probing Questions

    • What layer of rock was formed first? Where can this layer be found relative to the other types of rock?
    • What was the world like when the layer of shale formed? What was it like when the sandstone and conglomerate layers formed? 
    • What are some examples of evidence scientists use to learn about the world millions of years ago?
    • How have glaciers changed the landscape of the park?



Lab_Erosion and Deposition



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