WorksheetsWorld Sand Crisis
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Environmental Impact of Sand Scarcity Assessment 1. What type of sand is in short supply and integral to the production of concrete, glass, and certain technologies?
a)
Desert sand
b)
Silica sand
c)
River sand
d)
Ocean sand
2.
Why has the demand for construction sand surged globally?
a)
Decreasing urbanization
b)
Reduced need for infrastructure development
c)
Slow growth in developing countries
d)
Rapid urban expansion
3.
Why are desert sands not ideal for construction purposes?
a)
They are too angular
b)
They are too smooth and fine
c)
They are eroded by water
d)
They are too dense
4.
Which environmental impact can result from river sand mining?
a)
Reduced erosion of riverbanks
b)
Creation of habitats for marine species
c)
Collapse of riverbanks
d)
Preservation of sandbars
5.
What criminal organizations profit from the illegal extraction and sale of sand?
a)
Water mafias
b)
Oil mafias
c)
Sand mafias
d)
Forest mafias
6.
What efforts are being made to address the issue of sand scarcity?
a)
Developing alternative materials
b)
Increasing sand extraction
c)
Loosening regulations on sand mining
d)
Ignoring the issue
7.
Why is understanding the reasons behind sand scarcity crucial?
a)
To accelerate sand extraction
b)
To develop unsustainable policies
c)
To uphold sand trade activities
d)
To develop sustainable practices
8.
From where is the ideal sand for building materials typically harvested?
a)
Desert regions
b)
Riverbeds, beaches, and the ocean floor
c)
Mountain ranges
d)
Glaciers
9.
What is a consequence of marine sand mining?
a)
Increased water quality
b)
Enhanced marine life
c)
Sediment plumes affecting water quality and marine life
d)
Preservation of coastal areas
10.
What can the removal of sand from beaches and coastal areas lead to?
a)
Decreased erosion
b)
Enhanced protection from storms
c)
Increased vulnerability to flooding
d)
Preservation of coastal ecosystems
11.
What is the primary component of concrete?
a)
Cement
b)
Water
c)
Sand
d)
Rocks
12.
How are grains in desert regions shaped?
a)
By water
b)
By wind
c)
Both water and wind
d)
By erosion
13.
What shapes are ideal for building materials?
a)
Smooth and fine
b)
Angular
c)
Round
d)
Spherical
14.
What leads to environmental degradation in sand extraction?
a)
Ocean sand mining
b)
River sand mining
c)
Recycling sand
d)
Using alternative materials
15.
What creates sediment plumes affecting water quality and marine life?
a)
River sand mining
b)
Desert sand harvesting
c)
Ocean sand mining
d)
Recycled concrete aggregate
100 %
