Carol Frost

Science to benefit society: the role of the National Science Foundation part of Earth Educators Rendezvous:Previous Rendezvous:Rendezvous 2017:Program:Oral Sessions:Wednesday B
The National Science Foundation is the only federal agency dedicated to supporting basic research. It carries out its mission "to promote the progress of science" with great economy: 94% of its budget ...

What is the age of the Earth? part of Early Earth:Key Questions about the Early Earth
Content page from the "On the Cutting Edge" collection discussing the age of the Earth, covering historical and contemporary scientific methods for determining Earth's age, including Ussher's chronology, Kelvin's cooling model, and modern radiometric dating of zircons and meteorites, while addressing philosophical aspects of defining Earth's "birthday" and offering classroom integration strategies.