NATURAL RESOURCES VIII ANUSHA

Class – VIII

Topic- Natural Resources: Land, Soil and Water

Sub-Topics- land resources, soil resources, water resources

Duration- 6 periods

Learning Outcomes:

After reading this chapter, the student will-

• have the understanding of three important natural resources on the earth viz. Land, soil and water.
• Be able to realize the limited nature of natural resources, thus acknowledging their responsibility as individual to conserve the same.
• Become aware of the unplanned and unjust activities of human beings responsible for the destruction of natural resources.

Learning Objectives

The students will be able to:

• examine the utilization of land as resource in different ways.
• Assess the importance of soil as a resource.
• Describe the methods to conserve soil and water.
• Explain the various factors causing water pollution.

Content flow

1. land resources- as resource, availability, spatial distribution
2. soil resources- as resource, soil formation, soil conservation
3. water resources- availability, hydrological cycle, multipurpose river valley projects,water conservation, water pollution

Teaching strategy/Methodology

explanation, discussion, demonstration via laptop/ projector, diagram practice, audio-visual

1. The teacher will explain different land forms and land use pattern all over the world to the students.
2. Discussion will take place on the importance of soil and the factors which affect soil formation.
3. Students will be shown some agriculture practices like contour ploughing, terrace farming, strip cropping etc on projector.
4. With the help of a diagram hydrological cycle will be explained to the students.
5. World map showing distribution of rainfall in the world will be shown to the students.

Tools/aids/ resources

• pictures of different landforms
• Hydrological cycle diagram
• you-tube videos on water pollution, soil erosion
• PPT on soil conservation methods
• samples of different soils

note- you-tube links to show videos are :

water pollution- http://youtube.com/watch?v=x8Skd2bMwu0

soil erosion- http://youtube.com/watch?v=im4HVXMGI68

vocabulary

topography, parent rock, afforestation, strip cropping, contour ploughing

values intended to be inculcated

• learn about the limitation of resources and practise judicious utilization of resources
• realize the significance of sustainable development
• be concerned citizens towards the natural resources
• appreciate technological developments helping to conserve the resources like multipurpose river valley projects.

Assessment technique

Interdisciplinary/ multidisciplinary activities

subject task

Maths	Collect data on land use pattern in different countries and prepare a bar graph showing the same.
English	Write a paragraph on “sustainable development- need of the time”.
science	Prepare a PPT on “Hydrological Cycle”.
S. science	Prepare a report on Clean Ganga campaign.

Assessment rubrics

• Accuracy of data (Maths)
• Concept clarity (English)
• PPT content and presentation (Science)
• Accuracy of facts and figures (Social Science)

Assignments

Assignment-1 (General)

Q. choose the correct option:-

1. In which country Aswan Dam is located?
   a. India b. Egypt
   c. Australia d. USA
2. Which country has the highest percentage of cultivated land?

a. Japan b. China

100. India d. Australia

3. Which one of the following is the main source of fresh water on earth?
   a. well b. rainfall
   c. river d. lakes

Q. complete the following land use pattern table of different countries:-

land use in selected countries ( in percentage)

Country	Cultivated land	pastures	forests	other
Australia	6
India		4
Japan				19
UK			10

Q. Answer the following questions:-

1. What are the various factors which affect soil formation?
2. What are the advantages and disadvantages of multipurpose river valley projects?
3. Write the various methods for the conservation of water and soil?
4. Explain hydrological cycle with a diagram.

Map-work

on the political map of the world mark some areas of-

• high rainfall
• low rainfall
• medium rainfall

Assignment-2 ( slow learner)

Q. fill in the blanks:-

1. planting of trees is commonly known as _______________________.
2. the ___________soil of India is developed from the lava rock.
3. Earth is known as _______________ planet.
4. Lithosphere consists of loose surface material called_______________.
5. The organic component which consists of dead and decomposed animals and plants is known as ______________.
   Q. state whether true or false:-

• The availability of land on earth is limited.

• A layer of fertile soil is not important for the growth of plants.
• The distribution of fresh water resources on the earth's surface is uneven.
• Hirakund dam is located in India.
• About 90% of the world's population is inhabited in the mountain areas.

Assignment- 3 (high achievers)

prepare a ppt on-
Multi purpose river valley projects in India and the world.
or

soil conservation techniques
Follow up/ remedial strategy
1. repeating the explanation
2. peer groups can be made to help the weak students.
3. Adopting new techniques
4. remedial assignments
5. remedial classes