Science shpter 1,2,3 Flashcards
(24 cards)
Uniformiitariusum
The of ideas of shaping the earth
Catastrophism
Catastrophes that happen on earth
Palentology
The study of life in the past
Relative dating
A event younger or older than another
Superpositon
A method where you put the younger layers on top of the older layers
Geologic column
a ideal sequence of rock layers
unconformity
A surface that represents a missing part
absolute dating
the age of a object exsited
isotopes
a element that have more numberof protons than neutrons
radoactive decay
isotopes break down into stable isotopes
radiometric dating
ratio of a parent isotpes
half life
a half of radioactive sample
Theory of earth
A book written by James Hutton tellling you about Uniformitarisum
Principles of geolgy
A book written by Charles Lyell restatin Hutton’s theory
Catastrophes
Changes of earth
paleotologists
Scientists who study the past
Geologic Column
A arangement of rock layers
Nondepositon
A stoppage of depositon
Disconformities
A part of a layer is missing
Nonconformities
Horizontal rock layers lie on top of eroded layers
Angular unconformities
found between horizontal rock layers
radioactive
unstable isotopes
parent isotopes
unstable radioactive isotope
daughter isotope
decay of parent isotope
