Curated OER
Dating Popcorn
Students simulate the dating process with popcorn. In this geology activity, students discuss how geologist find the age of rocks by gauging the amount of decay of radioactive elements. They have 6 bags of popcorn and each group...
CK-12 Foundation
Ck 12: Biology: Evolution of Life
[Free Registration/Login may be required to access all resource tools.] Covers the evolution of life.