Class 6 Science - WEST-BENGAL

Nature's Treasures

The chapter 'Nature's Treasures' in the Class 6 Science syllabus for the West Bengal Board of Secondary Education (WBBSE) introduces students to the various valuable resources we get from nature, such as air, water, soil, minerals, forests, and wildlife. It emphasizes the importance of these natural resources for the survival of life on Earth and explains why we must use them wisely without causing depletion. Students will learn about renewable and non-renewable resources, conservation methods, and how human activities impact the environment. This chapter is vital for board exams as it builds ecological awareness and frequently features in short-answer and descriptive question sections.

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Key Concepts

Natural Resources

Resources that are drawn from nature and used with little or no modification, such as sunlight, air, water, and soil.

Renewable Resources

Resources that can be replenished naturally over a short period of time, such as solar energy, wind energy, and water.

Non-Renewable Resources

Resources that are limited in quantity and take millions of years to form, such as coal, petroleum, and natural gas.

Conservation of Nature

The ethical use and protection of valuable natural resources to prevent overexploitation, pollution, and destruction.

Fossil Fuels

Natural energy sources like coal and oil formed from the remains of ancient plants and animals buried under the earth.

Important Formulas

Conservation of Resources = Wise Use + Protection + Prevention of Wastage
Renewable Resource = Replenished Continuously by Nature
Non-Renewable Resource = Limited Stock + Exhaustible over Time

Board Exam Info

In the West Bengal Board (WBBSE) Class 6 Science examinations, this chapter typically carries around 4 to 7 marks. Common question types include fill-in-the-blanks, matching columns, short answer questions defining renewable and non-renewable resources, and brief descriptive questions on ways to conserve nature.

Frequently Asked Questions

What is the main difference between renewable and non-renewable resources?

Renewable resources can be replaced by nature quickly, like sunlight and wind. Non-renewable resources exist in limited amounts and take millions of years to form, like coal and petroleum.

Why do we need to conserve nature's treasures?

We need to conserve them because air, water, forests, and minerals are essential for our survival, and wasting them will make life on Earth impossible for future generations.

Are fossil fuels considered renewable or non-renewable?

Fossil fuels like coal and mineral oil are non-renewable resources because once they are used up, they cannot be replaced quickly.

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