DEPARTMENT OF SOCIAL SIENCE
REVISION WORKSHEET-I(GEOGRAPHY)
I NAME THE FOLLOWING:
1. Mass movement of rock, debris or earth down a slope. _______________________________
2. Another name given to community lands: _______________________________
3. Breaking up and decay of exposed rocks, by temperature changes, frost action, plants animals and human activity: _____________________________
4. Rocks piled up to slow down the flow of water to prevent gullies and soil loss: _______________
5. Growing different crops sown at different times in alternate rows to protect soil from rain wash: _______________________________
6. Natural vegetation comprising of mosses and lichens in the cold Polar regions:_______________
7. Series of protected areas linked through a global network for conservation and development: _____________________________________
8. Using resources carefully and giving them time to get renewed: __________________________
9. The application of latest knowledge and skill in doing or making things.___________________
10. The amount of resources available for use. _______________________
11. Balancing the need to use resources and also conserve them for the future:___________________________________________
12. A naturally occurring substance that has a definite composition _______________
13. Hard substances that conduct heat and electricity and have a characteristic luster._____________
14. Rocks from which minerals are mined. ___________________
15. The word Petroleum means this. _____________________
16. In earlier times this source of energy was used for grinding grain and lifting water._________________________________
17. The first tidal energy station was built here. ______________________
18. The first country to develop Hydroelectricity. _______________________
II FILL IN THE BLANKS:
1. The uneven distribution of population in different parts of the world is mainly due to varied characteristics of ________________ and ___________________.
2. The growth of vegetation depends primarily on ________________________ and __________________________.
3. Animals are ___________________ for collection and ________________ trade of hides, skins, nails, teeth, horns and feather.
4. Due to indiscriminate killings, several birds and animals have either become ________________ or are on the verge of __________________________.
5. ___________________ and __________________ are two important factors that can change substances into resources
6. ____________________ are generally classified into natural, human made and human.
7. Sometimes natural substances become resources only when their _______________________ has been changed.
8. Using resources carefully and giving them time to get renewed is called __________________________________________.
9. All resources have some _______________________.
10. In India geothermal plants are located in _____________________ in Himachal Pradesh and ________________________ in Ladakh
11. The_____________ we use in our food and the _______________used in a pencil are examples of minerals.
12. Minerals can be extracted by ______________ __________________ or ___________________
13. Generally metallic minerals are found in _________________________ and rocks and nonmetallic minerals are found in _______________________ rocks
14. Since coal is formed from buried ferns and swaps it is referred to as __________________
15. ________________________ in India has huge tidal mill farms.
16. _____________________________ is found with Petroleum deposits and is released when _________________________ is brought to the surface.
III CHOOSE THE CORRECT ANSWER:
1. Ploughing parallel to the contours of a hill slope to form a natural barrier for water to flow down the slope is called:
a. terrace farming b. contour ploughing c. contour barrier d. rock dam
2. Shelter belts are most common in these regions:
a. hilly b. wet c. semi-arid d. coastal and dry
3. Technology is a ______________ resource.
a. human b. human made c. natural d. none of these
4. Air can be considered as _______________ resource.
a. ubiquitous b. localized c. non-renewable d. biotic
5. _____________________ falls in the category of potential resource
a. plants b. water c. soil d. uranium
6. India is the largest producer and exporter of this mineral.
a. mica b. bauxite c. iron d. copper
7. The region in India that is known for its gold deposits.
a. Rajasthan b. Kashmir c. Tripura d. Karnataka
8. This is an example of non-ferrous minerals.
a. iron b. manganese c. a or b d. silver
9. The largest producer of tin in the world is.
a. Europe b. Australia c. Asia d. Africa
IV ANSWER THE FOLLOWING QUESTIONS IN TWO POINTS:
1. Mention the factors that affect soil formation
2. State the causes of forest fire. How can we control it?
3. How can we sensitize children about conserving natural vegetation and wildlife?
4. Distinguish between the following:
Please click on below link to download CBSE Class 8 Social Science Worksheet Set D
