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Earth's History

Authored by Aimee Sanford

Science

Used 22+ times

Earth's History
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24 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Age of rock compared to ages of other rocks.

Relative Age

Absolute Age

Radioactive Dating

Radioactive Decay

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of years that have passed since the rock formed.

Relative Age

Absolute Age

Radioactive Dating

Radioactive Decay

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The process of determining the age of an object using the half-life of one or more radioactive isotopes.

Relative Age

Absolute Age

Radioactive Dating

Radioactive Decay

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A gap in the geologic record that shows where rock layers have been lost due to erosion

Unconformity

Fossil

Radioactive Dating

Radioactive Decay

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The preserved remains or traces of an organism that lived in the past.

Unconformity

Fossil

Radioactive Dating

The Law of Superposition

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In undisturbed horizontal sedimentary rock, the oldest is at the bottom and the newest the top.

Unconformity

The Law of Superposition

Radioactive Dating

Radioactive Decay

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A record of the geologic events and the evolution of life forms as shown in the rock and fossil record.

Geologic Time Scale

Era

Period

Index Fossil

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