Geology Introduction

?
The Earth is 4.6 ______ yrs old
billion
1 of 10
There have been _____ mass extinctions
five
2 of 10
Perhaps the most significant event in Earth history, the ‘settling’ of material according to density resulted in a layered Earth. This concentric arrangement of material led to the formation of continents, oceans, and the atmosphere.
Solar Nebular Theory
3 of 10
_____ is a coherent explanation for one or several related natural phenomena supported by a large body of objective evidence. E.g. Newton’s law of universal gravitation. Formulated through scientific method.
theory
4 of 10
______ is a : tentative explanations of observed phenomena, from which there may or may not emerge verifiable predictions.
hypothesis
5 of 10
During the seventeenth and eighteenth centuries, people believed that Earth’s features (mountains, valleys, oceans, rivers) were permanent and had been produced by a few great upheavals. This theory is called
catatrophism
6 of 10
James Hutton (1726-1797), now known as the father of modern scientific geology, assembled evidence and proposed a counterhypothesis called
gradualism
7 of 10
The Principle of ____________ holds that the laws of nature have been constant through time and that present-day processes have operated throughout Earth’s history; therefore, we can better understand past events by studying modern processes
uniformitarianism
8 of 10
The ______ ____ _____ is the result of the collaboration of many earth scientists working together to construct a chronology of events on Earth. Relative geological time scale & absolute geological time scale.
geological time scale
9 of 10
_________ dating is used to determine the absolute age of rock body
Radiometric
10 of 10

Other cards in this set

Card 2

Front

There have been _____ mass extinctions

Back

five

Card 3

Front

Perhaps the most significant event in Earth history, the ‘settling’ of material according to density resulted in a layered Earth. This concentric arrangement of material led to the formation of continents, oceans, and the atmosphere.

Back

Preview of the front of card 3

Card 4

Front

_____ is a coherent explanation for one or several related natural phenomena supported by a large body of objective evidence. E.g. Newton’s law of universal gravitation. Formulated through scientific method.

Back

Preview of the front of card 4

Card 5

Front

______ is a : tentative explanations of observed phenomena, from which there may or may not emerge verifiable predictions.

Back

Preview of the front of card 5
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