Flashcards in Chapter 4 lines of evidence Deck (12)
is the name we give to the super continent that existed before the breakup of the plates into their minor constituents.
a belief that the Earth was actually young but created to look old
the processes like erosion that happened in the past are happening now
the belief that the major landforms were created by catastrophic events and that cannot be accounted for by uniform processes
an idea that changing life forms take generations to evolve indicating an Earth much older than suggested by Creationists
Paleoclimate studies indicate that major ice sheets that covered the poles also covered the landmasses that were at those latitudes.
indicating the direction of glacial movement
An unstable atom or element that has extra mass (neutrons) in its nucleus.
An unstable isotope.
The decay product of an isotope. A daughter product can be another isotope or the stable form of an atom. Different kinds of particles (alpha or beta) are involved in the decay process.
The time it takes for one half of the radioactive nuclei in a sample to decay.