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Soil
Question | Answer |
---|---|
a mixture of air, minerals, organic matter, and water | soil |
living and once-living parts of the soil | organic matter |
dark, nutrient-rich material made from the broken down remains of plants and animals | humus |
large particles, water and air move through easily, unable to retain water or nutrients | sand |
medium particles, little space for air and water to move through, ability to retain some water and nutrients | silt |
mixed-sized particles, some space for water and air to move through, ability to retain a fair amount of water and nutrients | loam |
small particles, almost no space for air and water to move through, ability to retain water and nutrients very well | clay |
True or False. Smaller particles make soil soft and smooth. | True |
True or False. Larger particles make soil rough and hard. | True |
True or False. The soil's ability to retain water is not related to the its particle size. | False |