Soil Layers/Soil Horizons Review
Flashcard
•
Science
•
6th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is humus?
Back
Organic matter that is formed from the decomposition of plant and animal material.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-3
NGSS.MS-LS2-4
2.
FLASHCARD QUESTION
Front
What is soil composed of?
Back
A mixture of rock, mineral particles, and organic matter.
3.
FLASHCARD QUESTION
Front
What initiates soil formation?
Back
The weathering of bedrock.
4.
FLASHCARD QUESTION
Front
What is the O horizon in soil?
Back
The layer made of decaying leaves, twigs, and animal remains/wastes.
Tags
NGSS.MS-LS2-3
5.
FLASHCARD QUESTION
Front
What does the C horizon contain?
Back
Partially weathered rock.
Tags
NGSS.MS-ESS1-4
6.
FLASHCARD QUESTION
Front
What is the A horizon?
Back
The top layer of soil, rich in organic material and nutrients.
Tags
NGSS.MS-LS2-1
7.
FLASHCARD QUESTION
Front
What role does the B horizon play in soil?
Back
It is the layer where minerals leached from the upper layers accumulate.
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