Science Vocabulary 2b
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| Soil | Loose material on the surface of the earth
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| humus | Decayed organic material found in soil
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| pedologist | A scientist who studies soil
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| sand | The largest particle of soil. It does not retain water in the soil.
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| clay | The smallest particle of soil: hold nutrients and water but does not have room for air.
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| silt | A tiny particle of soil that allows water and air to mix in the soil.
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| texture | The amount of each kind of particle in a soil sample.
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| loam | Soil that has properties of all three soil particles: sand, soil, and clay.
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| horizon | Layers of soil
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| topsoil | The layer of soil in which plants germinate and where roots grow.
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| subsoil | The layer of soil that contains nutrients from the humus that have washed down through the upper layers and weathered minerals from the parent rock below.
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| bedrock | A layer underneath the soil that consists of unweathered rock: also called regolith.
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| Yes, Lacy Margaret Hurd | Is your name on your paper and what is it?
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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