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Geologic Time Scale

Geologic Time Scale

Assessment

Presentation

Science

9th Grade

Medium

NGSS
HS-PS1-8, MS-ESS1-4, MS-LS4-1

Standards-aligned

Created by

James Saganiec

Used 19+ times

FREE Resource

71 Slides • 15 Questions

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Geologic Time Scale

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Multiple Choice

What is an epoch?

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A subdivision of period

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a subdivison of eons

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a subduvision of eras

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All are incorrect

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Multiple Choice

What is a period?

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a subdivision of eons

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a subdivision of eras

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a subdivision of epoch

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all are incorretc

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Multiple Choice

What is the longest unit of time in the Geologic Time scale?

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Era

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Epoch

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Period

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Eon

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Multiple Choice

What is the longest unit of time in the Geologic Time scale?

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Era

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Epoch

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Period

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Eon

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Multiple Choice

Hardened tree sap is called
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diamonds
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amber
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tar
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syrup

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Multiple Choice

Remains of animals can be preserved by preventing them from decaying. What substances might help preserve parts or a whole animal
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tar, amber, ice
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ice, carbonization, trace
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rock, amber, ice
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tar, carbonization, rock

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Multiple Choice

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Trees and sometimes marine animals are sometimes fossilized this way
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permineralized or petrified
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trace
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carbonized or carbon film
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preserved or original remains

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Multiple Choice

What type of fossil is made when sediments fill in the hollow made by a dissolved organism?

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Mold

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Cast

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Trace

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Preserved original remains

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Multiple Choice

Which type of fossil is the empty hollow left behind when an organism’s body completely dissolves away?

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Mold

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Cast

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Amber

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Trace

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Multiple Choice

How does absolute age differ from relative age?

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only absolute dating indicates which rock is older than another

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only absolute dating finds the age in years

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only relative dating finds the age in years

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Multiple Choice

The length of time required for half of the radioactive atoms in a sample to decay is its...
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era
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age
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half-life
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eon

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Multiple Choice

The % of the parent isotope remaining after 1 Half Life.

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50%

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25%

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12.5%

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6.25%

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Multiple Choice

The term given to unstable radioactive atoms.

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Parent

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Daughter

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Half Life

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Igneous

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Multiple Choice

Carbon-14 is useful for dating certain fossils because

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it is one of the isotopes of carbon

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it decays at a known rate

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it can be detected in all fossils

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it is very rare in nature

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Geologic Time Scale

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