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NCERT Solutions Class 6 Science Chapter 11 - Nature's Treasures
Nature provides a wide variety of resources that support life on Earth. This chapter explores natural resources such as plants, animals, water, soil, and minerals, and explains their importance in our daily lives. Students learn how these resources are used by humans and why it is important to conserve and use them responsibly for a sustainable future.
The NCERT Solutions for Class 6 Science Chapter 11 help to establish a strong foundation in understanding ways to become aware of the natural world and develop reasoning based on scientific principles. As learners engage with the NCERT Solutions, they begin to understand that nature is not simply a collection of elements, but nothing less than an amazing system where their purpose is to sustain existence and provide for life. Starting to understand this interrelatedness will develop in the learners a sense of awe and their commitment to preserving life through conservation.
1.0NCERT Solutions Class 6 Science Chapter 11: Nature's Treasures - Download PDF
The NCERT Solutions for Class 6 Science Chapter 11 are available here. Download the free PDF of the expertly crafted NCERT Solutions by ALLEN experts to aid in your preparation of Class 6 science exams from below:
2.0Key Concepts in Chapter 11 Nature's Treasures
In the NCERT textbook, Chapter 11, "Nature's Treasures," typically introduces students to the fundamental natural resources and their importance in sustaining life. It emphasizes their uses, the need for conservation, and the impact of human activities on these resources.
- Introduction to Natural Resources:
- The chapter opens by defining natural resources as gifts of nature essential for human survival and well-being, promoting an appreciation for them.
- Air: The Breath of Life:
- Explains the composition of air (primarily nitrogen and oxygen).
- Highlights the importance of oxygen for living beings.
- Introduces the concept of wind and its uses (e.g., windmills).
- Discusses air pollution and its causes.
- Water: A Precious Resource:
- Emphasizes the vital role of water in daily activities (drinking, cooking, agriculture, industry).
- Discusses various sources of water (rivers, lakes, groundwater, oceans).
- Highlights the scarcity of freshwater and the need for water conservation.
- Introduces rainwater harvesting and traditional methods.
- Addresses water pollution and its impact.
- Energy from the Sun:
- Explains the Sun as the primary source of energy for all life on Earth.
- Discusses photosynthesis in plants.
- Introduces the uses of solar energy (solar cookers, solar panels).
- Forests: Green Gold:
- Describes forests as vital ecosystems providing habitat, food, and raw materials.
- Emphasizes their role in preventing soil erosion and enriching soil.
- Discusses the importance of forest conservation and movements like the Chipko Movement and Van Mahotsav.
- Soil, Rocks, and Minerals:
- Explains the formation of soil and its importance for plant growth.
- Introduces rocks and minerals as essential resources for construction and industry.
- Highlights the need for responsible use and conservation of these finite resources.
- Fossil Fuels: Buried Treasures:
- Introduces coal, petroleum, and natural gas as fossil fuels.
- Explains their formation over millions of years from ancient organic matter.
- Discusses their uses as energy sources (vehicles, electricity).
- Categorizes them as non-renewable resources and addresses their environmental impact.
- Renewable and Non-renewable Resources:
- Classifies natural resources into renewable (e.g., air, water, forests) and non-renewable (e.g., fossil fuels, minerals).
- Emphasizes the need for sustainable use and conservation.
Here are some common subtopics covered in this chapter:
- Understanding Natural Resources
- Definition and examples
- Importance for life on Earth
- Air
- Composition of air
- Importance of oxygen
- Wind and its applications
- Air pollution and its effects
- Water
- Uses of water
- Sources of water (freshwater vs. saline water)
- Water scarcity and conservation
- Rainwater harvesting (modern and traditional methods like stepwells)
- Water pollution and prevention
- Sunlight (Solar Energy)
- Importance for plants (photosynthesis)
- Uses in daily life (solar appliances, electricity generation)
- Forests
- Role as habitats
- Products from forests
- Importance of trees (soil stability, oxygen)
- Deforestation and conservation efforts
- Soil, Rocks, and Minerals
- Formation and importance of soil
- Uses of rocks and minerals
- Need for responsible mining and use
- Fossil Fuels
- Types: Coal, Petroleum, Natural Gas
- Formation and uses
- Non-renewable nature and environmental concerns
- Conservation of Natural Resources
- Renewable vs. Non-renewable resources
- Sustainable practices for resource management
- Individual and community roles in conservation
3.0NCERT Solutions Class 6 Science Chapter 11 - Nature's Treasure : Detailed Solutions
- In the given figure shows the items related to natural resources. Match them with their jumbled-up names. Make another table and write the names of these resources. Classify these resources as renewable or non - renewable.
Ans.
- State whether the following statements are True [T] or False [F]. If False, correct them. (i) Nature has all the resources to meet human needs. Ans. True (ii) Machines are a resource found in nature. Ans. False Correct Statement: Machines are manmade resources. (iii) Natural gas is a non-renewable resource. Ans. True (iv) Air is a renewable resource. Ans. True
- Fill in the blanks using the most appropriate option (i) A fuel that is commonly used in two wheelers like scooters or bikes is . (a) Kerosene (b) Petrol (c) Diesel (d) LPG Ans. (b) Petrol (ii) An example of a renewable resource is . (a) Coal (b) Water (c) Natural gas (d) Petrol Ans. (b) Water
- Classify the following as renewable or non-renewable resources- coal, natural gas, forests and minerals. Ans.
- Why do we say that petroleum is a nonrenewable resource? Ans. Petroleum is considered a non-renewable resource because it takes millions of years to form from the remains of microorganisms and plants that get buried deep inside the Earth. Once extracted and used, it cannot be replenished.
- It is difficult to regrow forests. Justify this statement. Ans. Regrowing forests is difficult because it takes many years for trees to mature. Additionally, the soil may become degraded, losing its nutrients and structure due to deforestation, making it less suitable for new plant growth. Human activities such as urban development and agriculture can also hinder reforestation efforts.
- Make a list of five daily activities in which you use natural resources. Suggest ways by which you can reduce their use. Ans.
- List four activities that are possible due to the presence of air. Ans. Four activities that are possible due to presence of air (i) Breathing (ii) Generating electricity through wind turbines (iii) Transportation through aeroplanes. (iv) Flying kites
- How can you contribute towards enhancing the green cover of your locality? Make a list of actions to be taken. Ans. List of actions to be taken (i) Encourage neighbours to grow plants in their gardens. (ii) Collaborate with local schools to create green initiatives. (iii) Advocate for the protection of existing trees and green spaces. (iv) Participate in community tree planting drives. (v) Plant trees in local parks and open spaces.
- In the given illustration, we see that food is being cooked.
Answer the following questions: (i) What type of energy is being used for cooking? (ii) Name one benefit and one drawback of using this type of energy for cooking. Ans. (i) Solar Energy (ii) Benefit: Solar energy is a renewable and clean source of energy. Hence it is environment friendly. Drawback: Dependence on Weather, Solar energy cannot be used during cloudy days or at night, which limits its reliability and convenience.
- Cutting down trees on a large scale impacts the quality of the soil. Why do you think it is so? Ans. Without trees, the soil can be washed away by rain, leading to the loss of fertile topsoil. Furthermore, fallen leaves from trees decompose and add organic matter to the soil, enhancing its fertility and structure. Cutting down trees impacts the quality of soil because tree roots help to bind the soil together, preventing erosion.
- Explain two ways in which human activities pollute the air. Propose one action which can help in reducing air pollution. Ans. (i) Deforestation reduces the number of trees that can absorb carbon dioxide, increasing the concentration of greenhouse gases. (ii) Burning fossil fuels in vehicles and factories releases harmful pollutants like carbon monoxide and sulphur dioxide into the air. Action to reduce air pollution: Promote the use of public transport and electric vehicles to decrease the number of fossil fuel-powered vehicles on the road.
- A family uses solar panels to generate electricity, a gas stove to cook food and a windmill for pumping water from a well. What would happen if there were no sunlight for a week? Ans. If there were no sunlight for a week, the solar panels would not be able to generate electricity, leading the family to rely on alternative sources of power. Additionally, the growth of plants would be affected due to the lack of sunlight for photosynthesis.
- Fill up the blanks using the following terms- (fossil fuels, forest, air, petroleum, coal, water and nonrenewable resource)
Ans.
- There is an increasing demand of trees to meet the requirements of industries and for housing. Therefore, trees are being felled. Is it justified? Discuss and prepare a brief report. Ans. Trees play a crucial role in maintaining ecological balance by providing oxygen, supporting wildlife, and preventing soil erosion. Large scale deforestation can lead to loss of biodiversity, climate change, and disruption of water cycles. Sustainable practices such as using alternative materials, implementing strict regulations on tree felling, and promoting reforestation can help balance economic development with environmental conservation.
- Propose a plan to use less water in your school. What steps would you take to make this plan happen and how would it help the environment? Ans. Plan to Use Less Water
- Use waste water for gardening purposes.
- Implement a rainwater harvesting system.
- Install water-efficient faucets in toilets. Steps to Implement the Plan
- Monitor water usage regularly and set reduction targets.
- Encourage student-led initiatives for water conservation.
- Collaborate with local authorities and experts to install water saving devices. Environmental Benefits
- Promotes sustainability and responsible water usage within the community.
- Decreases the energy used in water treatment and distribution.
4.0Key Features of NCERT Solutions Class 6 Science Chapter 11: Nature's Treasures
- Strong Foundation of Environmental Science: The answers are detailed and thorough which allow students to have an excellent foundation in the basic environmental science concepts related to natural resources and the conservation of the environment in Class 6.
- Improved Conceptual Understanding: These solutions explain not just the answers but the "how" and "why" of the scientific phenomena related to our natural treasures which will help students build deeper understanding of concepts.
- Improved Problem Solving Skills: Answering environmental questions by regularly engaging in the solutions for environmental science textbook questions supported by this resource will help students to also adopt systematic approaches to question solving, an important skill in scientific inquiry and practice.
- Improved Exam Preparation: Students benefit from the provision of opportunities to practice a variety of question types (e.g., multiple choice, short answers, long answer, case studies) and this in turn allows for students to develop the skill to confidently answer any questions that they will encounter in their exams while achieving optimal outcomes in their results.
- Confidence Development: As students begin to answer and solve the NCERT Textbook questions with the help of this resource the confidence of students concerning their understanding of the environmental science topics will grow further leading to a greater interest, excitement and enthusiasm to delve deeper into scientific issues.