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Unit 4 review 8th grade

Unit 4 review 8th grade

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 Law of Superposition?

Back

The Law of Superposition states that in undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest layers are at the top.

2.

FLASHCARD QUESTION

Front

What is an Unconformity in geology?

Back

An Unconformity is a break in the geologic record that occurs when rock layers are eroded over a long period of time, resulting in a gap in the geological timeline.

3.

FLASHCARD QUESTION

Front

What does Relative Dating mean?

Back

Relative Dating is a method used to determine the age of rocks and fossils in relation to one another, without determining their exact age.

4.

FLASHCARD QUESTION

Front

What is the significance of Intrusions in geology?

Back

Intrusions are bodies of igneous rock that form when magma pushes into existing rock layers. They are younger than the layers they intrude.

5.

FLASHCARD QUESTION

Front

What is Pangaea?

Back

Pangaea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras, where all continents were joined together.

6.

FLASHCARD QUESTION

Front

What is the difference between absolute age and relative age?

Back

Absolute age is the actual age of a rock or fossil, while relative age is its age compared to other rocks or fossils.

7.

FLASHCARD QUESTION

Front

What is the Law of Crosscutting Relationships?

Back

The Law of Crosscutting Relationships states that if a geological feature cuts through another, the feature that has been cut is older.

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