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Unit 3 Study Guide: Rocks, Minerals, and Soil Part 2
Terms in this set (52)
__________ has the smallest particles.
__________ is not good for planting.
__________ holds water very well.
__________ is sticky when wet and smooth when dry.
__________ has medium particles.
__________ holds water just a little bit.
__________ feels soft and smooth when dry and slippery when wet.
__________ has large particles.
__________ does not hold water well.
__________ is not good for growing plants.
__________ feels rough and gritty.
__________ is a mixture of sand, silt, and clay.
__________ holds water well and is ideal for growing plants.
__________ feels rough but not gritty.
__________ and __________ hold water well.
__________ holds water the best.
Clay has the smallest __________.
Clay is __________ when wet and __________ when dry.
Clay has the __________ particles.
Silt has __________ particles.
Sand has __________ particles.
sand silt clay
Loam is a mixture of __________ , __________ , and __________ .
soft smooth slippery
Silt feels __________ and __________ when dry and __________ when wet.
Sand feels __________ and __________ .
__________ is the layer at the top.
__________ has humus and is very fertile.
Many plants grow well in __________ .
__________ is a rich mixture of the decomposed or broken down remains of plants and animals.
Humus is a rich mixture of the decomposed or broken down remains of __________ and __________ .
__________ is the middle layer and does not have humus, but it does have small pieces of rock.
__________ is the bottom layer.
___________ is made of solid rock.
Bedrock is made of __________ __________ .
__________ can break down to become soil.
Bedrock can break down to become __________ .
Bedrock is weathered.
What is the first step in forming soil?
Big pieces of rock get smaller and smaller.
What is the second step in forming soil?
The small pieces of rock mix with air, water, and humus to form soil.
What is the third step in forming soil?
Bedrock is weathered. Big pieces of rock get smaller and smaller. The small pieces of rock mix with air, water, and humus to form soil.
How is soil formed?
__________ is using biodegradable items such as fruit and vegetables, newspaper, and dead leaves to create humus.
fruit vegetables newspaper dead leaves
Composting is using biodegradable items such as __________ and __________ , __________ and __________ __________ to create humus.
Weathering and erosion are two processes that change the shape of the Earth's surface.
How does water and wind change rocks and soil over time?
__________ is the breaking down of rocks into smaller pieces.
__________ creates landforms such as the Grand Canyon.
__________ is the movement of weathered rock and soil.
_________ can create deltas.
Water, wind, or glaciers carrying small rocks and soil to new places is an example of __________ .
Weathering is the __________ __________ of rocks into smaller pieces.
Erosion is the __________ of weathered rock and soil.
__________ and __________ are two processes that change the shape of the Earth's surface.
__________ is the prettiest girl in the whole universe.
Lucy is a prettiest girl in the whole __________ .
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