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Relative Dating Absolute Dating
Radiometric Dating
Fossils Vocabulary 1 Vocabulary 2
He was a farmer and physician who came
up with uniformitarianism.
A 100
Who was James Hutton?
A 100
s
Hutton observed geological ______ on his
____ that prompted him to formulate the principle of
uniformitarianism.
A 200
What are geological
changes on his farm?
A 200
Using the Law of Superposition
gives a ______ age.
A 300
What is relative?
A 300
Before the idea of uniformitarianism, people believed the earth was ______
years old. A 400
What is 6,000?
A 400
Relative age indicates only that one rock
formation is _____ or _______ than another
rock formation.
A 500
What is younger or
older?
A 500
B 100
Scientist can study the rates of ______ in a stream to help estimate absolute
age.
What is erosion?
B 100
Using rates of erosion is not dependable for
features like the Grand Canyon because…
B 200
What is the rates vary greatly over millions of years?
B 200
Another way to estimate absolute age is to calculate the rate
of sediment deposition. This is not
always accurate because…
B 300
What is the rates of deposition can
vary such as during a flood ?
B 300
Varve count is similar to counting ….
B 400
What are growth rings in a tree’s trunk?
(tree rings)
B 400
B 500
Sedimentary deposits in glacial lakes that are form varves
consisting of _____ colored and ______ colored layers.
What are light and dark colored layers?
B 500
Rocks generally contain small amounts of
radioactive material that act as natural
______.
C 100
What are clocks?
C 100
Scientist use the natural breakdown
of isotopes to accurately measure
______ age in rocks.
C 200
What is absolute age?
C 200
Scientist compare the amount of ____ and _____ isotopes to
determine the absolute age of the rock.
C 300
What are parent and daughter?
C 300
DAILY DOUBLE
C 400
DAILY DOUBLE
Place A Wager
It would take ____ half-lives for ¼ of
the parent isotope to remain.
C 400
What is two?
C 400
To date dead organic materials, scientist can use _____ dating which uses the rate of decay of
______ 14 in the materials.
(same word for both)C 500
What is carbon?
C 500
Fossils can be used to help determine _______
and _______ age
D 100
What are relative and absolute?
D 100
Fossils can provide information about
_______ changes that occurred in Earth’s
history.
D 200
What are geological or
climate changes?
D 200
Only organisms that are ______ quickly or protected from ____ can become fossils.
D 300
What are buried quickly and protected from decay?
D 300
Generally, these parts of organisms form fossils…
(name 3 of 4)
D 400
What are wood, bones, teeth, and
shells?
D 400
Name 3 of the 5 ways a fossil can form…
D 500
What are mummification, amber, tar seeps,
freezing, and petrification?
D 500
The principle that states the geological
processes of the present are the same
geological processes of the past.
E 100
What is uniformitarianism
?
E 100
The age of an object in
relation to the ages of other
objects…E 200
What is relative age?
E 200
The law that states that a sedimentary rock layer is older
than the layer above it and younger than
those below it.
E 300
What is the law of
superposition?
E 300
Layers of rock are called…
E 400
What is strata?
E 400
E 500
A banded layer of sand and silt that is
deposited annually in a lake that can be used to determine
absolute age
What is varve?
E 500
The remains of animals or plants that
lived in a previous geologic time are
called…
F 100
What are fossils?
F 100
The scientific study of fossils…
F 200
What is paleontology?
F 200
A fossilized mark that formed in
sedimentary rock by the movement of an animal on or within
soft sediment…
F 300
What is trace fossil?
F 300
A fossil that is used to establish the age of rock
layers because it is distinct, abundant, and widespread
and existed for only a short span of geologic time…
F 400
What is index fossil?
F 400
Fossilized dung or waste materials from ancient animals are
called
F 500
What are coprolites?
F 500
The Final Jeopardy Category is:
Processes
Please record your wager.
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The 3 of 4 characteristics that define an index fossil…
Click on screen to continue
What are occur in wide area, clearly identified from other
fossils, existed in short time span, occurred in large numbers?
Click on screen to continue
Thank You for Playing Jeopardy!
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