Weathering & Soil review | Baamboozle - Baamboozle

How do you describe 'No-Till' farming?

The practice of leaving old stalks on the soil so the rain doesn't wash it away.

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When farmers plow across the slope of a hill it's called...

contour plowing

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What type of rock weathering forms RUST?

Oxidation!

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Define Differential Weathering=

Softer rock wears away leaving harder rock behind.

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Describe CROP ROTATION and why farmers use it....

They plant different crops because they will use different njutrients from the soil.

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What is it called when farmers make little steps in their fields- a series of smaller, flatter fields instead of a hill?

terracing

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DOUBLEDAPOINTS: Name 3 ways rocks can weather MECHANICALLY.

Ice, frost action, ice wedging, frost heaves, Abrasion, (Wind, Water, Gravity) Exfoli, plants, animalsation

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When talking about soil, if you consider the particle sizes and 'feel' of it, you are talking about the soil's ________.

Texture

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DOUBLEDAPOINTS: Name 3 ways rocks can weather CHEMICALLY

Water, Acid Precipitation in rain, snow, sleet, sulfuric and nitric acids, acid groundwater, acids inliving things (lichens) and air (oxidation)

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When you break rock down physically, which describes it best? a) acid precipitation b) oxidation c) mechanical weathering d) chemical weathering

C- mechanical (or physical) weathering

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What is the smallest or finest particle of soil?

clay

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what farming technique moves crops around so they aren't in the same place?

Crop rotation

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What is the largest particle type in soil?

sand

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