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Understanding Geological Time and Processes

Authored by L Lewis

Other

8th Grade

12 Questions

Used 1+ times

Understanding Geological Time and Processes
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Law of Superposition state about sedimentary rock layers?

Older layers are found at the top.

Older layers are found at the bottom.

All layers are the same age.

Layers are deposited randomly.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Law of Uniformitarianism suggests that:

Geological processes are different now than in the past.

Geological processes we see today have always been the same.

The Earth's surface changes every day.

All rocks are formed by volcanoes.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can scientists determine the absolute age of a rock?

By looking at its color.

By using radiometric dating, radioactive decay.

By measuring its size.

By comparing it to other rocks.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between absolute age and relative age?

Absolute age is a guess, relative age is exact.

Absolute age is exact, relative age is a comparison.

Both are exact numbers.

Both are guesses.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during radioactive decay?

Atoms become larger.

Unstable atoms release particles.

Atoms become stable without changing.

Atoms change color.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are ice cores important to scientists?

They show the current temperature of the Earth.

They contain air bubbles that tell us about past climates.

They are used to find new species.

They are used to measure the thickness of ice.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a geologic column?

A list of all known rocks.

A vertical sequence of rock layers showing Earth's history.

A tool for measuring rock hardness.

A type of rock found in mountains.

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