Geologic Time Scale: Engage and Explore

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Dropdown

Match the artifact with the corresponding past.



Birthday cards and childhood books ​

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Fossils and geologic features ​

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Dropdown

Match the abbreviation with the amount of time that it is used to measure.



Ga (Giga annum) ​

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Ma ( Mega annum) ​

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Ka (Kilo annum) ​

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Multiple Choice

True or False

The divisions within the geologic time scale are absolutely fixed and certain.

• True

• False