Geology Concepts

Geology Concepts

Assessment

Flashcard

Science

9th Grade

Practice Problem

Easy

Created by

K S

Used 2+ times

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28 questions

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1.

FLASHCARD QUESTION

Front

Uniformitarianism

Back

The principle that most geologic events of the past are similar to processes observed in the present.

2.

FLASHCARD QUESTION

Front

Law of Superposition

Back

The principle that the lowest layers in rock strata are deposited before the layers above, unless turned upside down. The oldest rocks are generally at the bottom of an outcrop.

3.

FLASHCARD QUESTION

Front

Outcrop

Back

Bedrock exposed at the surface because it is not covered by soil.

4.

FLASHCARD QUESTION

Front

Orogeny

Back

The process of mountain building.

5.

FLASHCARD QUESTION

Front

Extrusion

Back

Molten, liquid rock (lava) flowing out onto the Earth's surface. A fine-grained igneous rock formed by the rapid crystallization of lava at or near the Earth's surface.

6.

FLASHCARD QUESTION

Front

Intrusion

Back

Molten, liquid rock (magma) is pushed into cracks within the Earth. It forms a body of coarse-grained igneous rock through slow cooling inside the Earth.

7.

FLASHCARD QUESTION

Front

Lava

Back

Molten rock at the surface of the Earth.

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