Earth
Rocks
Fossils
Principles
Principle of Relative-Age Dating
Geology
100
Approximately how old is the Earth? Hundreds, Thousands, Millions, or Billions
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Billions
100
Rock layers naturally lay horizontal or vertical?
Horizontal
100
What is a fossil?
remains of ancient living things, old bones
100
What is the principle of original horizontality?
rock layers are deposited in horizontal layers
100
This principle applies to this type of rock formation.
What is superposition?
100
James Hutton.
Who is the father of geology?
200
What are 2 things on Earth that help geologists study the Earth's past?
Rocks and Fossils
200
The rock layer on the bottom are ______, and the rock layers on top are the _______.
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oldest & youngest
200
The oldest fossils are on the _________ layer and the youngest fossils are on the _________ top layer
bottom, top
200
What is the difference between relative age dating and absolute age dating?
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relative age dating compares two things.
absolute age dating gives the exact age.
200
This organism absorbs water vapor molecules during the early beginnings of Earth.
What is foraminifera?
200
His ideas clash with the still-accepted belief that the Earth had been created 6000 years ago.
What is the Bible?
300
Make A Claim:
The sequence of past geologic events can be determined by...
investigating or examining the rock layers.
300
If one rock contains pieces of another rock, the rock with the pieces is __________ than the pieces?
younger
300
Simple fossils are on the ______ layer and complex fossils are on the ______ layer.
bottom, top
300
what is the law of uniformitarianism?
Based on the way things change today, we can assume things changed the same way in the past.
300
This geologic principle must be assumed to determine the relative age of E based on the illustration below.
What is the cross-cutting relationship?
300
A place in Scotland in which Hutton's observations spark his interest in geology.
What is Siccar Point?
400
If you found an ancient fish fossil in a field, what can you determine about the environment when the fish was alive?
Water
400
What principle states that rocks on the bottom are the youngest and rocks on the top are youngest?
Superposition
400
What is the meaning of a mass extinction?
When many species on Earth died within a short period of time
400
What is the principle of inclusions?
If one rock contains pieces of another rock, the rock containing the pieces is younger than the pieces.
400
The Grand Canyon is mainly found in this US state.
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What is Arizona?
400
Relative age gives an approximation, while absolute age gives us ___________________.
DOUBLE JEOPARDY!
What is a specific number?
500
If you found an ancient fossil from a polar bear in the mountains across the street, what can you determine about the environment when the polar bear was alive?
Cold, Arctic
500
Ancient rocks contain evidence of life form, what is the earliest evidence of life form?
Bacteria
500
What principle are we using when we determine that the oldest fossils are on the bottom and the youngest fossils are on top?
Superposition
500
What is the principle of cross-cutting relationships?
If a feature cuts across another feature, the feature that it cuts across is older.
500
This is the "oldest" in this rock formation based on the illustration below.
What is the letter "I"?
500
The prevailing thinking on the origins of rocks during Hutton's time.
What was a great flood?