Class 9th MSBSHSE-Science & Technology -Chapter-1-18
Chapter 1: Laws of Motion
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Chapter 2: Work and Energy
Work, Energy, Mechanical energy, Law of conservation of energy, Free fall
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Chapter 3: Current Electricity
Potential and potential difference, Conductors and insulators, (bad conductors), Electrical resistance and Ohm’s Law, Connection of resistors and effective resistance
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Chapter 4: Measurement of Matter
Laws of chemical combination, Atom - shape, mass, valency, Molecular mass and the concept of mole, Radicals
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Chapter 5: Acids, Bases and Salts
Arrhenius theory of acids and bases, Concentration of an acid or a base, pH of a solution, pH of an acid and a base, Salts
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Chapter 6: Classification of plants
Kingdom Plantae, Sub-kingdom: Gymnosperms, Sub-kingdom: Angiosperms
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Chapter 7: Energy Flow in an Ecosystem
Food chain and food web, The energy pyramid, Bio-geo-chemical cycle : Carbon, oxygen and nitrogen cycles
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Chapter 8: Useful and Harmful Microbes
Useful micro-organisms : Lactobacilli, Rhizobium, Yeast, Harmful micro-organisms : Clostridium and others.
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Chapter 9: Environmental Management
Weather and climate, Meteorology, Solid waste management Ø Disaster management
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Chapter 10: Information Communication Technology : The new direction of progress
Important components of a computer, Different types of software, Importance of information communication in science and technology, Opportunities in the field of computers
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Chapter 11: Reflection of Light
Mirrors and types of mirrors, Spherical mirrors and images, formed by them Ø Magnification due to spherical mirrors
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Chapter 12: Study of Sound
Sound waves, Velocity of sound, Reflection of sound, The human ear, audible sound, infra sound and ultrasound
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Chapter 13: Carbon : An Important Element
Carbon – occurrence, properties, allotropes, Hydrocarbons, Carbon dioxide and methane – occurrence, properties, uses
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Chapter 14: Substances in Common Use
Important salts in day to day life -NaCl, NaHCO3, Na2CO3, Radioactive substances, Some chemical substances in day to day life
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Chapter 15: Life Processes in Living Organisms
Transportation in Plants, Excretion: Plants, Animals and Humans., Co-ordination: Plants and Humans
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Chapter 16: Heredity and Variation
Inheritance, Heredity: Characteristics and their appearance, Mendel’s laws of inheritance, Diseases due to chromosomal aberrations
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Chapter 17: Introduction to Biotechnology
Tissues: animal tissues and plant tissues, Tissue culture, Agritourism, Agri-business
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Chapter 18: Observing Space : Telescopes
Forms of light Ø Telescopes and types of telescopes, Telescopes in space, Indian Space Research Orgnaisation (ISRO)
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