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Weathering and Soils Summative

Weathering and Soils Summative

Assessment

Flashcard

Science

7th 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 abrasion?

Back

Abrasion is a type of mechanical weathering that occurs when rocks and sediments are worn away by friction and contact with other materials.

2.

FLASHCARD QUESTION

Front

What is mechanical weathering?

Back

Mechanical weathering is the process of breaking down rocks into smaller pieces without changing their chemical composition.

3.

FLASHCARD QUESTION

Front

What is chemical weathering?

Back

Chemical weathering involves the chemical alteration of minerals in rocks, often through reactions with water, acids, or gases.

4.

FLASHCARD QUESTION

Front

What is bedrock?

Back

Bedrock is the solid rock layer beneath the soil and loose material, providing essential minerals for soil formation.

5.

FLASHCARD QUESTION

Front

What is topsoil?

Back

Topsoil, or the A horizon, is the uppermost layer of soil, rich in organic material and nutrients, crucial for plant growth.

6.

FLASHCARD QUESTION

Front

What is subsoil?

Back

Subsoil, or the B horizon, is the layer beneath topsoil, containing minerals leached from above but less organic material.

7.

FLASHCARD QUESTION

Front

How does weathering affect mountain shapes?

Back

Weathering can cause mountains to appear rounder and less jagged over time due to the gradual breakdown of rock.

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