Other
Prince George's Community College: Reading the Rock Record [Pdf]
This is an in-depth activity where students create a rock layer formation using different colors of playdough and investigate the types of folds and rock formations that might occur. They take core samples through anticlines and...
CK-12 Foundation
Ck 12: Earth Science: Age of Earth
[Free Registration/Login may be required to access all resource tools.] How scientists have been able to determine the age of the Earth.
CK-12 Foundation
Ck 12: Earth Science: Age of Earth
[Free Registration/Login may be required to access all resource tools.] How scientists have been able to determine the age of Earth.
CK-12 Foundation
Ck 12: Earth Science: Earth History and Clues From Fossils
How scientists can learn information about the past from fossils. [Free Registration/Login may be required to access all resource tools.]