Soil Flashcards
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Deposition
The dropping of a rock
Glacier
A large, slow moving ice
Erosion
The Movement of weathered rock
Weathering
Breaking down a rock
Natural resources
Found in nature, necessary or useful to people (for example water, air/oxygen, soil, wood)
Humus
Decayed plants and animals
Soil
A mixture of whether rock, minerals, plants/animals, air, water
Label the three layers of soil
First layer is top soil,
Second layer is sub soil,
Third layer is bed rock
Four types of soil
Sand. Sand is the largest grains
Silt. Silt is smooth greens that are found in lakes/ponds
Clay. Clay holds a lot of water mostly used to make pottery
Loam. Loam is a mixture of sand, silt, clay and it’s usually best for plants
What part of the plant absorbs water and holds plants in place?
The part of the plant that absorbs water and holds plants in place are the roots.
What determines the texture/color of the soil?
The grain size determines the texture/color of the soil
How can planting trees help the soil?
Planting trees help the soil because it helps prevent erosion.
Erosion is the movement of soil or/dirt