What is some evidence for the Continental Drift Theory?
How are mountain ranges created?
How are islands formed?
Folding & Faulting
Relative Time Scales
Some rocks contain elements with unstable isotopes that decay slowly over time. They will decay into a different element that is stable. This change occurs at a rate called a ____ ____- amount of time required for half a sample of the radio active isotope to decay
Big Bang Theory
How does a star form?
How can you learn about the history of the Earth?