CBSE Class 9 Science – Natural Resources

CBSE Class 9 Science – Natural Resources

Study Materials

9th

Science (EVS)

Natural Resources

Chapter Overview

Natural resources are materials and components found in nature that are essential for life on Earth. These include air, water, soil, sunlight, minerals, and biodiversity. This chapter explains the types of natural resources, their importance, methods of conservation, and the impact of human activities on the environment.

Important Keywords

  • Natural Resources: Substances available in nature that support life.
  • Renewable Resources: Resources that replenish naturally (e.g., sunlight, water, wind).
  • Non-Renewable Resources: Resources that are finite (e.g., coal, petroleum, minerals).
  • Water Cycle: The continuous movement of water between the atmosphere, land, and oceans.
  • Carbon Cycle: The process through which carbon is exchanged among the biosphere, atmosphere, and geosphere.
  • Ozone Layer: A protective layer in the stratosphere that absorbs harmful UV radiation.
  • Pollution: The contamination of natural resources due to human activities.
  • Biodiversity: The variety of life forms in an ecosystem.

Detailed Notes

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Important Facts

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Comparison Table

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Quick Revision

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Real Life Connection

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Frequently Asked Questions (FAQs)

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Learning Objectives

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