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CBSE Class 10 Science Chapter 16 Management of Natural Resources

Management of Natural Resources Introduction Natural resources are the resources which occur in nature and can exist without actions of human kind. Example- soil, water, coal, petroleum, natural gas, forests etc. Soil, water, air and other some natural resources are cycled over and over again in nature but resources like coal, petroleum, wildlife etc. are […]

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CBSE Class 10 Science Chapter 15 Our Environment

Our Environment Introduction Environment is the sum total of all plants, animals and microorganisms (biotic factors) with all non-living factors(abiotic components). Living beings always interact with each other as well as with the non-living things in the environment. Environment consists of mixture of gases and particles, including nitrogen, carbon, oxygen, water. Nitrogen, carbon, oxygen, water […]

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CBSE Class 10 Science Chapter 14 Sources of Energy

Sources of Energy   Introduction We use energy for various activities – Our vehicles run using petrol/diesel. When we cycle we use our muscular energy. We use electricity/electric energy for all our lighting in our houses and roads. In this chapter, we will study about ‘Sources of Energy’.   Renewable and Non-renewable Sources of Energy Sources […]

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CBSE Class 10 Science Chapter 13 Magnetic Effects of Electric Current

Magnetic Effects of Electric Current Introduction We use many appliances at home, like the mixers, grinders, fans etc which draw electricity and convert them to motor movement i.e. mechanical energy. Also, we know of turbines, windmills, generators etc which move a mechanical part to generate electricity. These are possible because when electric current flows through […]

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CBSE Class 10 Science Chapter 12 Electricity

Electricity  Electricity and a few Terminologies Electricity is a controllable form of energy used to run a variety of electrical and electronic equipment like fan, bulb, tv, radio etc. Electrical appliances convert the electricity directly into heat, light or motion whereas electronic appliances have micro-chips that take electricity and convert it into endless useful things (display picture on TV, […]

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CBSE Class 10 Science Chapter 9 Heredity and Evolution

Heredity and Evolution Introduction Heredity is the passing of traits from parents/ancestors to offspring. Heredity occurs through inheritance of genes. Biological inheritance is what is related to heredity. Study of heredity is termed as Genetics. Inheritance from a previous generation provides a common basic body design and few changes in it for the next generation. […]

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CBSE Class 10 Science Chapter 11 The Human Eye & the Colorful World

The Human Eye & the Colorful World   Introduction We see many beautiful things around us – rainbow, colorful butterfly, forest, beautiful flowers and so on. What enables us to see these things? Eyes and Light. No light, no sight. In this chapter we will study about our eyes and some interesting properties of light. The Human Eye […]

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CBSE Class 10 Science Chapter 8 How do Organisms Reproduce?

How do Organisms Reproduce? Introduction Reproduction is the process by which living organisms produce new organisms similar to themselves.   Reproduction plays an important role in the following ways: Retain a particular species of living organisms Transmission of characters from one generation to the next Variations lead to the origin of new species There are […]

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CBSE Class 10 Science Chapter 7 Control & Coordination

Control & Coordination     Introduction Movement is the characteristic property of living organisms. All living organisms move in response to the change in the environment. Changes in the environment to which the organisms respond and react are called stimuli. The movement of the body parts of organisms in response to the stimuli carefully controlled […]

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