WorksheetsSoil Lab Quiz-ish Thing
Total questions: 13
Worksheet time: 8mins
Name
Class
Date
1.
If a sample of wet soil has a mass of 100g and a sample of dry soil has a mass of 75g, what is the water-holding capacity of the soil?
a)
25%
b)
33%
c)
75%
d)
42%
2.
What are two factors that can increase the water holding capacity of soil?
a)
More sand and less silt
b)
More humus and more clay
c)
Fewer minerals and fewer organisms
d)
More clay and less water
3.
Which of the following soil samples has the most decomposed organic matter?
a)
A
b)
B
c)
C
d)
D
4.
Which soil is composed of 35% clay, 55% silt, and 10% sand?
a)
Sandy clay
b)
Silty clay
c)
Silty clay loam
d)
Clay loam
5.
A soil that has a high percentage of __________ is able to form a long ribbon during soil testing.
a)
Sand
b)
Silt
c)
Clay
d)
Loam
6.
A soil that has a relatively even mixture of all three mineral particle sizes is known as a ___________.
a)
Loam
b)
Humus
c)
Hydrosol
d)
Peat
7.
An increase in which soil mineral particle will increase the water permeability of soil?
a)
Clay
b)
Silt
c)
Sand
d)
Loam
8.
What is one soil characteristic that parent material can help to determine?
a)
Amount of humus
b)
Rate of decomposition
c)
Soil pH
d)
Depth of soil horizons
9.
Why might soil water holding capacity increase in summer?
a)
Rate of decomposition increases and adds more organic matter
b)
It doesn't. Capacity never changes. This is a lie.
c)
More sand is converted to clay in the summer
d)
Higher temperatures lead to decreased porosity
10.
Which of the following images represents the reason temperate grasslands have such deep, nutrient-rich topsoil?
a)
b)
c)
d)
11.
In order to improve drainage under the baseball field, the soil underneath should probably have a lot of...
a)
Sand
b)
Silt
c)
Clay
d)
Loam
12.
The water-holding capacity of soil is LEAST likely to be affected by the addition of which of the following?
a)
Clay
b)
Humus
c)
Fertilizer
d)
Sand
13.
Which of the following choices is NOT one of the macronutrients important for plant growth?
a)
Nitrogen
b)
Magnesium
c)
Phosphorus
d)
Potassium
100 %
