Selected Labs and Activities -- Earth History
"A Model of Radioactive Decay" ("Penny Lab)
"Dox Rox Time Travel" Project (Geologic Time Scale)
From New York Science Teacher: Earth History and Geologic Time
From Charles Burrows (East Ramapo CSD):
Earth's History
For additional suggestions, use the Digital Library for Earth System Education 
"Natural Selection of the Easter Bunny" (Mark Heilbrun, Prep Academy for Writers)
"Varve Dating: Dating Sedimentary Strata"
1. These selected labs and activities have been created by different teachers, so the formats of the materials will differ. 
2. Suggestions for additional labs and activities should be sent to <>