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CBSE Class 10 Science Notes Chapter 12 Electricity Electricity: Electric current, electric circuit, voltage or electric potential, resistance and (Ohm’s law). Electric Current: The flow of electric charge is known as Electric Current, Electric current is carried by moving electrons through a conductor. By convention, electric current flows in the opposite direction to the movement [...]
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CBSE Class 10 Science Notes Chapter 11 Human Eye and Colourful World Human Eye: working of human eye, Persistence of vision, Power of accommodation of human eye, Defects of vision. The Human Eye: It is a natural optical instrument which is used to see the objects by human beings. It is like a camera which [...]
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CBSE Class 10 Science Notes Chapter 10 Light Reflection and Refraction REFLECTION Reflection of Light: The phenomenon of bouncing back of light into the same medium by the smooth surface is called reflection. Incident light: Light which falls on the surface is called incident light. Reflected light: Light which goes back after reflection is called [...]
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CBSE Class 10 Science Notes Chapter 9 Heredity and Evolution Heredity and Inherited Traits: Mendel’s Experiment; Sex determination. Heredity refers to the transmission of characters from parents to offsprings. An inherited trait is a particular genetically determined feature that distinguishes a person from the others for example; attached or free ear lobes in human beings. [...]
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CBSE Class 10 Science Notes Chapter 8 How do Organisms Reproduce Asexual Reproduction It involves only one parent. There is no formation and fusion of gametes. The young ones formed are almost identical to each other as well as to the parent cell. Asexual reproduction generally occurs during favourable environmental conditions and when there is [...]
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CBSE Class 10 Science Notes Chapter 7 Control and Coordination Control and Co-ordination in Animals: Nervous system and endocrine system. In animals, the nervous system and hormonal system are responsible for control and co¬ordination. Receptors: Receptors are the specialized tips of the nerve fibres that collect the information to be conducted by the nerves. Receptors [...]
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Life Process Class 10 Science Notes Nutrition in Plants and Animals – Life Processes Class 10 Notes Nutrition: The process by which an organism takes food and utilizes it, is called nutrition. Need for Nutrition: Organisms need the energy to perform various activities. The energy is supplied by the nutrients. Organisms need various raw materials [...]
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CBSE Class 10 Science Notes Chapter 5 Periodic Classification of Elements “The periodic table is a tabular method of displaying the elements in such a way, that the elements having similar properties occur in the same vertical column or group”. Earlier attempts of the classification of elements: Dobereiner’s Triads, Newland’s law of octaves. Dobereiner’s Triads: [...]
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Carbon and its Compounds Notes CBSE Class 10 Science Chapter 4 Bonding in Carbon: The Covalent bond, Electron dot structure, Physical properties of organic compounds, Allotropes of Carbon. Covalent Bond: The atomic number of carbon is 6. Its electronic configuration is 2, 4. It requires, 4 electrons to achieve the inert gas electronic configuration. But [...]