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Rocks and Soil

Matter and Energy
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Across
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the rock formation that is the source of mineral fragments in the soil
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Any process that breaks rock down into smaller pieces without changing the chemistry of the rock; typically wind and water.
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Molten rock beneath the earth's surface
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responsibility for conserving and restoring the Earth's resources for future generations
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The loose layer of dead plant leaves and stems on the surface of the soil
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the gradual transformation of habitable land into desert
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The type of weathering in which rock is physically broken into smaller pieces
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soil that is rich in minerals and good for growing crops
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a type of rock formed by layers of sand, silt and mud hardening over time
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Second highest horizon; it is dark and rich in accumulated organic matter and humus.
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The layer of soil that differs in color and texture from the layers above or below it.
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The process of cutting down all the trees in an area at once
Down
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liquid magma that reaches the surface
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small, solid pieces of material that come from rocks or living things
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Process in which sediment is laid down in new locations.
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The process that breaks down rock through chemical changes
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The management of soil to prevent its destruction
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A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions.
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A loose mixture of rock fragments, organic material, water, and air that can support the growth of vegetation
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the series of processes that change one type of rock into another type of rock
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rock formed by the cooling of lava
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The solid layer of rock beneath the soil
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Rich, dark organic material formed by decay of vegetable matter, essential to soil's fertility