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

Unconformity

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The number of half-lives gone through when a

parent isotope is ¼ of it’s original amount?

Answer

2

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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

Pangea

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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

Evolution

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Answer

These are the longest units of geologic time?

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Eons

Plates that slide past each other in opposite

directions?

Answer

Transform

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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

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Shadow zone

Answer

Tracing of earthquake motion that depends on a seismograph.

Seismogram

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Liquid rock underground?

Answer

Magma

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A large pluton?

Answer

Batholith

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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

Hot Spot

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