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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. Click on screen to begin
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
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