3 rd grade soil unit mrs. thornburgs picture vocabulary
TRANSCRIPT
![Page 1: 3 rd Grade Soil Unit Mrs. Thornburgs Picture Vocabulary](https://reader035.vdocument.in/reader035/viewer/2022062303/5514eea055034693478b5d95/html5/thumbnails/1.jpg)
33rdrd Grade Soil Unit Grade Soil Unit
Mrs. Thornburg’s Picture VocabularyMrs. Thornburg’s Picture Vocabulary
![Page 2: 3 rd Grade Soil Unit Mrs. Thornburgs Picture Vocabulary](https://reader035.vdocument.in/reader035/viewer/2022062303/5514eea055034693478b5d95/html5/thumbnails/2.jpg)
What do we call the loose material in which plants grow in the upper layer of the Earth?
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Soil
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What do we call the part of the soil made up of the decayed parts of once-living things?
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Humus
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What do we call a rich type of topsoil with lots of humus?
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Loam
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What do we call a type of soil with very small grains that trap a lot of water?
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Clay
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What do we call solid rock under soil?
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Bedrock
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What do we call the layer under the topsoil?
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Subsoil
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What do we call the top layer of soil? It is made up of the smallest grains, has the most humus and is
the richest layer of soil (most nutrients).
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Topsoil
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Label the layers of earth.
1.
2.
3.
4.
1. ___________________
2. ___________________
3. ___________________
4. ___________________
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Label the layers of earth.
1.
2.
3.
4.
1. Humus
2. Topsoil
3. Subsoil
4. Bedrock