Semester 1 Review Jeopardy
Rock Record
Earth’s Past
Plate Techs
Earthquake Volcano
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Which law tells us that a fault or igneous intrusion is always
younger than the rock layers it cuts through?
Answer
The Law of Crosscutting Relationships
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Answer
Evidence that an animal was once in a place like footprints or burrows?
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Trace Fossils
Break in the geologic record?
Answer
The number of half-lives gone through when a
parent isotope is ¼ of it’s original amount?
Answer
Which law tells us that all rocks beneath an
unconformity are older than rocks above the
unconformity?
Answer
Law of Superposition
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In radiometric dating, what is the original material called? (the radioactive material)
Answer
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Parent isotope
The Impact Hypothesis says dinosaurs became
extinct when…
Answer
An asteroid crashed into the Earth
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The super continent that formed about 300
million years ago.
Answer
An occurrence where many species die out?
Answer
Mass extinction
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A geologic period is usually named for?
Answer
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The place where characteristic
fossils were first discovered.
Gradual development of new organisms from pre-existing
ones?
Answer
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These are the longest units of geologic time?
Plates that slide past each other in opposite
directions?
Answer
One way that plate movement affects climate?
Answer
Creating mountains that
affect wind patterns.
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Most scientists agree that the Earth is about how
hold?
Answer
4.6 Billion Years ago
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Answer
Slowest moving seismic waves?
Surface waves
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Why earthquakes usually occur at plate boundaries?
Answer
Great stress
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How the intensity of XII is described?
Answer
Total destruction
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Area on Earth’s surface where no direct
seismic waves can be detected?
Answer
Answer
Tracing of earthquake motion that depends on a seismograph.
Liquid rock underground?
Answer
A large pluton?
Answer
The majority of earthquakes and volcanoes happens here?
Answer
Pacific Ring of Fire
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Iceland lies along this?
Answer
Mid-Atlantic Ridge
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Hawaiian Island formed due to this?
Answer