CBSE Class 8 Social Studies Worksheet
Geography - Mineral and Power Resources
1.
Fill in the blanks: Geothermal energy in the form of hot springs has been used for _____________, heating and bathing for several.
2.
Fill in the blanks: ____________ or energy plays a vital role in our lives .
3.
Fill in the blanks: China and ____________ have large iron ore deposits .
4.
State Yes or No: The rate of formation is much smaller than the rate at which the humans consume these minerals.
A)
Yes
B)
No
5.
Fill in the blanks: Fossil fuel such as coal, _______________ and natural gas are the main sources of conventional energy .
6.
State Yes or No: The site of the world's first solar and wind-powered bus shelter is in Scotland.
A)
Yes
B)
No
7.
State Yes or No: Windfarms are found in Netherlands, Germany, Denmark, UK, USA and Spain are noted for their wind energy production.
A)
Yes
B)
No
8.
Where can the oldest rock be found?
9.
How Fossil fuels are formed?
10.
Fill in the blanks: _____________ are bored to take them out, this is called drilling .
11.
Fill in the blanks: Organic waste such as dead plant and animal material, ___________ .
12.
Fill in the blanks: China, Malaysia and ____________ are among the world's leading tin producers .
13.
Fill in the blanks: ___________ need power for industry, agriculture, transport, communication and defense .
14.
State Yes or No: Petroleum and natural gas occur on the earth's surface.
A)
Yes
B)
No
16.
Fill in the blanks: Minerals that lie at shallow depths are taken out by removing the surface layer; this is known as _________ mining .
17.
Fill in the blanks: These mines are among the deepest in the world which makes mining of this _____________ a very expensive process .
18.
State Yes or No: Minerals are formed in different types of geological environments, under varying conditions.
A)
Yes
B)
No
19.
State Yes or No: The geology of Antarctica is sufficiently well known to predict the existence of a variety of mineral deposits, some probably large.
A)
Yes
B)
No
20.
State Yes or No: Minerals are created by manual processes without any human interference.
A)
Yes
B)
No
CBSE Class 8 Social Studies Worksheet
Geography - Mineral and Power Resources
Answers
1.
Cooking
2.
Power
3.
India
4.
Option A
5.
Petroleum
6.
Option A
7.
Option A
8.
The oldest rocks in the world are in Western Australia.
9.
Remains of plants and animals which were buried under the earth for millions of years got converted by the heat and pressure into fossil fuels.
10.
Deep wells
11.
Biogas
12.
Indonesia
13.
Humans
14.
Option B
15.
Recycling of metals is another way in which the mineral resources can be conserved.
16.
Open-cast
17.
Ore
18.
Option A
19.
Option A
20.
Option B
