What is weathering?
Surface Processes - Weathering-Soils

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•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Weathering is the process of breaking down rocks and minerals into smaller pieces through physical, chemical, or biological means.
2.
FLASHCARD QUESTION
Front
What are the two main types of weathering?
Back
The two main types of weathering are physical (mechanical) weathering and chemical weathering.
3.
FLASHCARD QUESTION
Front
How does freezing water contribute to weathering?
Back
Freezing water expands in cracks of rocks, causing them to break apart.
4.
FLASHCARD QUESTION
Front
What is chemical weathering?
Back
Chemical weathering involves the alteration of the chemical composition of rocks and minerals, often through reactions with water, acids, or gases.
5.
FLASHCARD QUESTION
Front
What is oxidation in the context of weathering?
Back
Oxidation is a type of chemical weathering where oxygen reacts with minerals, often leading to rust formation.
6.
FLASHCARD QUESTION
Front
Which mineral is least likely to weather in a river over time?
Back
Garnet is the mineral that will weather least if left in a river for 100 years.
7.
FLASHCARD QUESTION
Front
What role does organic matter play in soil?
Back
Organic matter helps soil by holding water and providing nutrients as it decomposes.
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