Savvas 6th Grade Weathering and Soil Test Modified
star
star
star
star
star
Last updated over 2 years ago
22 questions
1
1. The most important factors in determining the rate of weathering are
1. The most important factors in determining the rate of weathering are
1
When earthworms add their wastes to the soil, then die and decay in the soil, they are contributing to the formation of
When earthworms add their wastes to the soil, then die and decay in the soil, they are contributing to the formation of
1
The process of restoring an area of land to a more natural, productive state is called
The process of restoring an area of land to a more natural, productive state is called
1
Landslides, mudflows, slump, and creep are all examples of
Landslides, mudflows, slump, and creep are all examples of
1
Granite lasts a long time when it is used for building in areas where
Granite lasts a long time when it is used for building in areas where
1
The process by which natural forces move weathered rock and soil from one place to another is called
The process by which natural forces move weathered rock and soil from one place to another is called
1
Geologists infer from the rounded, eroded shapes of the Appalachian Mountains that
Geologists infer from the rounded, eroded shapes of the Appalachian Mountains that
1
The type of soil called loam is made up of
The type of soil called loam is made up of
1
Some plants produce acids that result in _______ weathering.
1
Sandy topsoil is said to be _______ because water drains quickly through the spaces between the sand particles.
1
The actions of animals most commonly can cause the type of weathering known as _______ .
1
Water and wind can _______ soil, or carry it away.
1
Creep is very slow movement of sediment down a slope.
Creep is very slow movement of sediment down a slope.
1
To restore soil’s fertility, a farmer might plant legumes as part of a soil conservation technique called nutrient depletion.
To restore soil’s fertility, a farmer might plant legumes as part of a soil conservation technique called nutrient depletion.
1
A type of land use called mining involves the removal of nonrenewable resources from the land
A type of land use called mining involves the removal of nonrenewable resources from the land
1
After chemical weathering, the chemical makeup of the weathered rock is the same as that of the original rock.
After chemical weathering, the chemical makeup of the weathered rock is the same as that of the original rock.
1
Most of the work of mixing humus within the soil is done by
Most of the work of mixing humus within the soil is done by
1
Plowing removed the grass from the Great Plains and exposed the soil. What effect did this have when a drought struck the Great Plains during the 1930s?
Plowing removed the grass from the Great Plains and exposed the soil. What effect did this have when a drought struck the Great Plains during the 1930s?
2
Using the above diagram, Which layer of soil in the illustration is made up only of partly weathered rock? What is this layer called?
Using the above diagram, Which layer of soil in the illustration is made up only of partly weathered rock? What is this layer called?
3
Describe three ways farmers can prevent nutrient depletion.
Describe three ways farmers can prevent nutrient depletion.
2
How are landslides and mudflows similar? How are they different?
How are landslides and mudflows similar? How are they different?
1
Why is soil so important to people and living things?
Why is soil so important to people and living things?