| Term | Definition |
|---|
| soil | a loose mixture of small mineral fragments, organic mater, water, and air support vegetation growth |
| parent rock | a rock formation that is the source of soil |
| bedrock | the layer of rock beneath soil |
| residual soil | rock that remains above its parent rock |
| transported soil | soil blown away from its parent rock |
| soil texture | the soil quality that is based on the proportion of soil particles |
| soil structure | the arrangement of soil particles |
| infiltration | the ability of water to move through soil |
| soil structure | the arrangement of soil particles |
| humus | dark, organic material formed in soil from decayed remains of plants and animals |
| leaching | removal of substances disolved from rock, ore, or layers of soil due to passing of water |
| soil fertility | soil's ability to hold nutrients and to supply nutrients to a plant |
| horizons | layers of rock that are horizontal |
| topsoil | top layer of soil |
| pH scale | used to measure how acidic or basic soil is and ranges from 0 to 14 |
| topsoil in tropical rain forests...thick or thin | thin |
| How is soil formed? | from weathering bedrock |
| Which of the soil properties influence soil moisture? | soil structure |
| Which of the soil properties influence how nutrients dissolve in soil? | soil fertility |
Combine with other sets
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