Rock Layers

Rock Layers

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the geologic time scale?

Back

A model scientists use to describe the timing of events and the relationships between those events in Earth’s history.

2.

FLASHCARD QUESTION

Front

What does relative dating involve?

Back

Placing rocks in order from youngest to oldest.

3.

FLASHCARD QUESTION

Front

Which layer is older: Layer E or Intrusion A?

Back

Intrusion A.

4.

FLASHCARD QUESTION

Front

Which rock layer is typically the oldest in a sequence?

Back

The bottom layer, often referred to as the oldest layer.

5.

FLASHCARD QUESTION

Front

What type of rock is a conglomerate?

Back

A sedimentary rock composed of rounded fragments.

6.

FLASHCARD QUESTION

Front

What is the significance of the Law of Superposition?

Back

In an undeformed sequence of sedimentary rocks, the oldest layers are at the bottom and the youngest are at the top.

7.

FLASHCARD QUESTION

Front

What is an intrusion in geology?

Back

A body of igneous rock that has crystallized from molten magma beneath the Earth's surface.

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