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Formation of Soil
By Dannielle Taylor
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Last updated about 6 years ago
10 questions
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Question 1
1.
What is one connection between plants and soil?
A Plants put air into soil.
B Rocks break down plants into soil.
C Water gets into soil through plant roots.
D Pieces of dead plants become part of soil.
Question 2
2.
The soil is black and moist. There are lots of nutrients in the soil. Most plants grow well in the soil. What type of soil is it?
A sandy
B clay
C humus
D hummus
Question 3
3.
Look at the picture. The worm is moving through the soil.
How does the worm help the soil?
A When the worm digs, it lets air into the soil.
B . When the worm digs, it breaks down rocks into the soil
C When the worm digs, it turns the soil into clay soil.
Question 4
4.
The first step of soil formation is when "parent" rocks are broken down into smaller pieces. This is called...
erosion
weathering
deposition
humus
Question 5
5.
Soil and dirt are the exact same thing
True
False
Question 6
6.
Soil develops much more quickly in areas that are...
warm, dry, few living things, and flat
cool, wet, lots of living things, and flat
cool, dry, lots of living things, and steep
warm, wet, lots of living things, and flat
Question 7
7.
what are the essential parts that make up soil?
water, plants, air, sunshine
water, inorganic matter, air, rock fragments
water, organic matter, air, rock fragments
water, dirt, organic matter, air
Question 8
8.
Factors that determine how long it takes for soil to form may be...(must choose the correct 4)
age
rock type
climate
topography
plants and animals
dirt
Question 9
9.
What part of the soil gives it a dark color?
organic matter
inorganic matter
minerals
water
Question 10
10.
One important difference between soil and dirt is that...
soil has rock fragments and dirt does not
dirt has rock fragments and soil does not
soil is rich in organic matter, but dirt is not
dirt is rich in organic matter, but soil is not