Savvas 6th Grade Weathering and Soil Test Modified
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Last updated over 2 years ago
22 questions
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Question 1
1.
1. The most important factors in determining the rate of weathering are
Question 2
2.
When earthworms add their wastes to the soil, then die and decay in the soil, they are contributing to the formation of
Question 3
3.
The process of restoring an area of land to a more natural, productive state is called
Question 4
4.
Landslides, mudflows, slump, and creep are all examples of
Question 5
5.
Granite lasts a long time when it is used for building in areas where
Question 6
6.
The process by which natural forces move weathered rock and soil from one place to another is called
Question 7
7.
Geologists infer from the rounded, eroded shapes of the Appalachian Mountains that
Question 8
8.
The type of soil called loam is made up of
Question 9
9.
Some plants produce acids that result in _______ weathering.
Question 10
10.
Sandy topsoil is said to be _______ because water drains quickly through the spaces between the sand particles.
Question 11
11.
The actions of animals most commonly can cause the type of weathering known as _______ .
Question 12
12.
Water and wind can _______ soil, or carry it away.
Question 13
13.
Creep is very slow movement of sediment down a slope.
Question 14
14.
To restore soil’s fertility, a farmer might plant legumes as part of a soil conservation technique called nutrient depletion.
Question 15
15.
A type of land use called mining involves the removal of nonrenewable resources from the land
Question 16
16.
After chemical weathering, the chemical makeup of the weathered rock is the same as that of the original rock.
Question 17
17.
Most of the work of mixing humus within the soil is done by
Question 18
18.
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?
Question 19
19.
Using the above diagram, Which layer of soil in the illustration is made up only of partly weathered rock? What is this layer called?
Question 20
20.
Describe three ways farmers can prevent nutrient depletion.
Question 21
21.
How are landslides and mudflows similar? How are they different?
Question 22
22.
Why is soil so important to people and living things?