Guiding Questions: What is stratigraphy? What is the law of superposition? How can archaeologists study stratigraphy to determine the age of archaeological objects? Students will: Explain what stratigraphy is. Describe the law of superposition. Understand how stratigraphy can be used to determine the age of archaeological objects.
Recommended level: Upper Elementary: Third Grade through Fifth Grade
1. Layers of Time: Stratigraphy and the Law of Superposition