CBSE Notes for Class 10 Science - Shikshaforall
CBSE NOTES FOR CLASS 10 SCIENCE
Well-prepared Class 10th Science Notes can help students understand the concepts, topics and themes covered in all the chapters. The Revision Notes for Class 10 Science offered by Shikshaforall are based on the latest curriculum that is approved by CBSE. Students don't have to stress about finding multiple books to revise during the exam period with such handy notes. The key benefit of these Notes of Science Class 10 is that they cover all the essential pointers, explain diagrams with examples that allow students to score well in the exams.
CHAPTER WISE REVISION NOTES FOR CBSE CLASS 10 SCIENCE PDF DOWNLOAD
Unit I: Chemical Substances - Nature and Behaviour
Unit II: World of Living
Unit III: Natural Phenomena
Unit IV: Effects of Current
Unit V: Natural Resources
UNIT I: CHEMICAL SUBSTANCES - NATURE AND BEHAVIOUR
Chapter - 1 Chemical reactions
Chemical equation, Balanced chemical equation, implication of a balanced chemical equation, types of chemical reactions : Combination, decomposition, displacement, double displacement, precipitation, neutralization, oxidation and reduction.
Chapter - 2 Acids, bases and salts
Their definitions in terms of furnishing of H+ and OH-ions, General properties, examples and uses, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of Sodium Hydrooxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.
Chapter - 3 Metals and non metals
Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.
Chapter - 4 Carbon and it's compounds
Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds. containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydrocarbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.
Chapter - 5 Periodic classification of elements
Need for classification, Early attempts at classification of elements (Dobereiner's Triads, Newland's Law of Octaves, Mendeleev's Periodic Table), Modern periodic table, graduation in properties, valency, atomic number, metallic and non-metallic properties.
UNIT II: WORLD OF LIVING
Chapter - 6 Life processes
'Living Being'. Basic concept of nutrition, respiration, transport and excretion in plants and animals.
Chapter - 7 Control and co-ordination in animals and plants
Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals; Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination; animal hormones.
Chapter - 8 Reproduction
Reproduction in animals and plants (asexual and sexual)
reproductive health-need and methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women's health.
Chapter - 9 Heredity and Evolution
Heredity; Mendel's contribution Laws for inheritance of traits, Sex determination: Brief introduction; Basic concepts of evolution.
UNIT III: NATURAL PHENOMENA
Chapter - 10 light
Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification. Refraction; Laws of refraction, refractive index. Refraction of light by spherical lens; Image formed by spherical lens; Lens formula (Derivation not required); Magnification. Power of lens.
Chapter - 11 The Human eye and the colourful world
Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses. Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life.
UNIT IV: EFFECTS OF CURRENT
Chapter - 12 Electricity
Electric current, potential difference and electric current. Ohm's law; Resistance, resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Inter relation between P, V, I and R.
Chapter- 13 Magnetic effects of current
Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming's Left Hand Rule, Electric Motor, Electromagnetic induction. Induced potential difference, Induced current. Fleming's Right Hand Rule, Electric Generator, Direct Current. Alternating current frequency of AC. Advantage of AC over DC. Domestic electric circuits.
UNIT V: NATURAL RESOURCES
Chapter - 14 Sources of energy
Different forms of energy, conventional and non conventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy: Nuclear energy. Renewable versus non-renewable sources of Energy.
Chapter - 15 Our environment
Eco-system, Environmental problems, Ozone depletion.
waste production and their solutions. Biodegradable and non-biodegradable substances.
Chapter - 16 Management of natural resources Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of people's participation for conservation of natural resources. Big dams; advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources.
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