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100 200 300 400 500 Final Jeopardy Earth’s Story Relative Dating
Absolute Looking at Fossils Time Marches On 100 200 300 400 500 Final Jeopardy
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Scientists believe that this caused the extinction of the majority of the dinosaurs 65 million years ago?
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$100 asteroid Back
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What is the principle that states that geologic change occurs suddenly?
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$200 Catastrophism Back
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What is the science that studies past life on Earth?
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$300 Paleontology Back
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What principle states that geologic processes that occurred in the past can be explained by current geologic process?
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$400 Uniformitarianism Back
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Where in Scotland did James Hutton observe rock formations that had to have taken millions of years to form?
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$500 Siccar Point Back
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What method is used to determine whether an event or object is older or younger than other events or objects?
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$100 Relative dating Back
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What is the ideal sequence of rock layers that contains all the known fossils and rock formations on Earth, arranged from oldest to youngest?
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$200 geologic column Back
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A fault, intrusion, fold, or tilt can create an ________________ in rock layers, causing a missing part of the geologic column?
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$300 unconformity Back
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What is the principle that states that younger rocks lie above older rocks, if the layers have not been disturbed?
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$400 superposition Back
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What unconformity do we call molten rock that squeezes into existing rock and cools?
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$500 intrusion Back
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What method is used to measure the age of an event or object in years?
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$100 absolute dating Back
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What is the time needed for half of a sample of a radioactive substance to undergo radioactive decay?
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$200 half-life Back
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What is an atom that has the same number of protons as other atoms of the same element, but has a different number of neutrons?
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$300 isotopes Back
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When parent isotopes decay into daughter isotopes, what is given off?
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$400 heat or thermal energy Back
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What method can be used to date dead organic life forms or rocks younger than 50,000 years old?
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$500 Carbon-14 Method Back
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Where are the majority of the oldest fossils in the world found?
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$100 Burgess Shale Quarry Back
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What are insects often times trapped in to help preserve their remains?
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$200 amber or tree sap Back
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Preserved animal tracks, burrows, or coprolite (animal dung) are good examples of ___________ fossils.
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$300 trace Back
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What is the name of a cavity that has been filled in with rock, where a plant or animal was buried?
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$400 cast Back
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What is a fossil that is found in the rock layers of only one geologic age and that is used to establish the age of the rock layers?
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$500 index fossil Back
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What do we call the death of every member of a species?
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$100 extinction Back
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What is the scale that divides Earth’s 4
What is the scale that divides Earth’s 4.6 billion-year history into distinct intervals of time?
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$200 geologic time scale Back
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What kinds of animals were present in the Mesozoic Era, which lasted from 248 million years ago to 65 million years ago?
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$300 dinosaurs Back
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Where in North America is the best example to see the Earth’s history recorded in rock layers?
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$400 The Grand Canyon Back
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In which era did humans and mammals begin appearing and have flourished for over 65 million years?
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$500 Cenozoic Era Back
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What organic creatures are responsible for the creation of the majority of the original oxygen in the atmosphere?
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Stromatolites Back
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