Grade 8 › Science

Class 8 Science

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🔥 Physics 11 chapters

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Chapter 1
Force and Pressure
Force Pressure Pressure in Fluids Atmospheric Pressure Buoyancy and Archimedes' Principle
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Chapter 2
Friction
Friction and its Types Factors Affecting Friction Advantages of Friction Disadvantages of Friction and Ways to Reduce It Fluid Friction and Streamlining
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Chapter 3
Motion — Speed, Velocity and Acceleration
Scalar and Vector Quantities; Distance and Displacement Speed and Velocity Acceleration Graphs of Motion Newton's Laws of Motion
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Chapter 4
Gravitation
The Universal Law of Gravitation Acceleration Due to Gravity Mass and Weight Free Fall and Equations of Motion under Gravity Thrust, Pressure and Hydraulic Systems
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Chapter 5
Sound
Production and Propagation of Sound Characteristics of Sound Speed of Sound and Echo Range of Hearing Noise Pollution
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Chapter 6
Light — Reflection and Refraction
Reflection of Light and Plane Mirrors Curved Mirrors Refraction of Light Lenses and Image Formation Dispersion of Light and the Human Eye
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Chapter 7
Chemical Effects of Electric Current
Conduction of Electricity in Liquids Electrolysis Electroplating Faraday's Law Other Chemical and Related Effects of Electric Current
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Chapter 8
Sources of Energy
Forms of Energy and Conservation of Energy Conventional Sources of Energy Non-conventional (Renewable Solar Energy and the Biogas Plant Nuclear Energy and the Energy Crisis
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Chapter 9
Heat and Temperature
Heat and Temperature Thermometers and Temperature Scales Conversion of Temperature Between Scales Transfer of Heat Thermal Expansion, Specific Heat, and Latent Heat
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Chapter 10
Electricity — Circuits and Effects
Electric Current and Potential Difference Ohm's Law and Resistance Series and Parallel Circuits Electric Power and Energy Heating Effect and Domestic Circuits
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Chapter 11
Magnetism and Electromagnetism
Magnetic Field and Field Lines Oersted's Experiment and the Magnetic Effect of Current Solenoid and Electromagnet Force on a Current-Carrying Conductor and the Electric Motor Electromagnetic Induction, the Generator, and the Transformer

⚗️ Chemistry 6 chapters

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Chapter 12
Atoms and Molecules
The Atom and Dalton's Atomic Theory Subatomic Particles, Atomic Number and Mass Number Isotopes, Isobars and Isotones Electronic Configuration and Valency Molecular Formula and the Mole Concept
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Chapter 13
The Periodic Table
Early Attempts Mendeleev's Periodic Table The Modern Periodic Law and Periodic Table Periodic Trends in the Table Metals, Non-metals, and Metalloids
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Chapter 14
Synthetic Fibres and Plastics
Natural and Synthetic Fibres Types of Synthetic Fibres Plastics and the Environment
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Chapter 15
Materials: Metals and Non-Metals
Physical Properties of Metals and Non-Metals Chemical Properties of Metals and Non-Metals Uses of Metals and Non-Metals
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Chapter 16
Coal and Petroleum
Natural Resources and Fossil Fuels Coal and Its Products Petroleum, Natural Gas and Conservation
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Chapter 17
Combustion and Flame
Combustion and Its Conditions Inflammable Substances and Types of Combustion Structure of a Flame, Fuels and Fire Safety

🧬 Biology 7 chapters

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Chapter 18
Cell Division and Heredity
Why Cells Divide The Cell Cycle Mitosis Meiosis Chromosomes, DNA, and Genes Heredity and Mendel's Experiments Dominant and Recessive Traits Sex Determination and Sex-Linked Traits Mutations
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Chapter 19
Microorganisms and Disease
Types of Microorganisms Useful Microorganisms Harmful Microorganisms Communicable Diseases Immune System Antibiotics Food Preservation
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Chapter 20
Nutrition in Plants and Animals
Modes of Nutrition Photosynthesis in Detail Mineral Nutrition in Plants The Human Digestive System Enzymes in Digestion Absorption and Assimilation
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Chapter 21
Photosynthesis and Plant Physiology in Detail
Chloroplast Structure Light Reactions Dark Reactions (Calvin Cycle Factors Affecting Photosynthesis Transpiration Transport in Plants Plant Growth Regulators
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Chapter 22
Respiration and Circulation
Cellular Respiration Anaerobic Respiration The Human Respiratory System Gas Exchange and Transport The Human Circulatory System Blood Blood Vessels The Lymphatic System
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Chapter 23
Excretion and Nervous System
Excretion in Plants The Human Excretory System Urine Formation The Skin as an Excretory Organ Structure of a Neuron Types of Neurons The Nerve Impulse The Human Nervous System The Brain Reflex Action
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Chapter 24
Endocrine System and Reproduction
Endocrine Glands and Hormones Feedback Mechanism The Human Reproductive System The Menstrual Cycle Fertilisation and Development Adolescence and Puberty Reproductive Health