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Earth History

Authored by Otis L Clough

Other Sciences

8th Grade

Used 931+ times

Earth History
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All are types of fossils EXCEPT

Mineral Replacement
Bone neutralization
Carbon Film
Cast and Mold

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The half-life Carbon-14 is 5,730 years. How much parent material is left after 5,730 years?

75%
50%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The absolute age of an igneous rock can best be determined by ...

comparing radioactive isotopes
comparing crystal sizes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The bottom layer of rock is

the oldest
has fossils

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Index fossils are useful for determining the relative age by ...

a narrow time range and a wide geographic range
a narrow time range and a narrow geographic range

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In what way are index fossils and layers of of ash found in ice cores?

both are used for relative dating
both only occur in igneous rocks

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which time period on the chart was the longest?

Permian
Cambrian

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