Soil Flashcards

1
Q

Expand

A

getting larger

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2
Q

Deposition

A

The dropping of a rock

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3
Q

Glacier

A

A large, slow moving ice

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4
Q

Erosion

A

The Movement of weathered rock

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5
Q

Weathering

A

Breaking down a rock

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6
Q

Natural resources

A

Found in nature, necessary or useful to people (for example water, air/oxygen, soil, wood)

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7
Q

Humus

A

Decayed plants and animals

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8
Q

Soil

A

A mixture of whether rock, minerals, plants/animals, air, water

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9
Q

Label the three layers of soil

A

First layer is top soil,
Second layer is sub soil,
Third layer is bed rock

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10
Q

Four types of soil

A

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

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11
Q

What part of the plant absorbs water and holds plants in place?

A

The part of the plant that absorbs water and holds plants in place are the roots.

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12
Q

What determines the texture/color of the soil?

A

The grain size determines the texture/color of the soil

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13
Q

How can planting trees help the soil?

A

Planting trees help the soil because it helps prevent erosion.

Erosion is the movement of soil or/dirt

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