QB365 covers complete information about Tamilnadu 8th Standard 2022-2023 Science Subject. Question Bank includes 8th Standard 2022-2023 Science's Book back questions, other important questions, Creative questions, Extra questions, PTA quesions, Previous Year questions and other key points also. All question with detailed answers are readily available for preparting Science question papers.
Measurement
Force and Pressure
Light
Matter around us
Changes Around Us
Microorganisms
Plant Kingdom
Organisation of Life
T1 - Introduction to the Information Age
Heat
Electricity
Air
Atomic Structure
Movements in Animals
Reaching the age of Adolescence
T2 - Digital Painting
Sound
Magnetism
Universe and Space Science
Water
Acids and Bases
Chemistry in Everyday Life
Crop Production and Management
Conservation of Plants and Animals
T3 - Visual Communication
Libre Office Calc
Introduction - System of Units - Temperature - Electric Current ( I ) - Amount of substance - Luminous Intensity - Plane angle - Solid Angle - Clocks - Accuracy in Measurements - Approximation - Rounding off - Numerical Problems
Introduction - Force - Pressure Exerted By Air - Atmospheric Pressure - Forces In Liquids - Surface Tension - Friction - Viscous Force or Viscosity
Introduction - Types of Mirrors - Terms Related to Spherical Mirrors - Images Formed By Spherical Mirrors - Applications of Curved Mirrors - Laws of Reflection - Types of Reflection - Multiple Reflections - Refraction of Light - Dispersion
Introduction - Why Symbols? - Metals and Non-Metals - Compound
Introduction - Chemical Reactions Based On Physical Contact - Chemical Reactions Based On Solution of Reactants - Chemical Reaction Based On Electricity - Chemical Reactions Based On Heat - Chemical Reactions Based On Light - Chemical Reaction Based On Catalyst - Effects of Chemical Reactions
Introduction - Virus - Bacteria - Fungi - Algae - Protozoa - Uses of Microorganisms In Medicine, Agriculture, Industry and Daily Life - Harmful Microorganisms - Microbes In Food Process - Relationship Between Man and Microbes-Balances, Imbalances and Uses - Prions - Virions
Introduction - Taxonomy - Outline of Bentham and Hooker’s System of Classification - Binomial Nomenclature - Salient Features of Algae - Fungi - Bryophytes - Pteridophytes - Differences between Bryophytes and Pteridophytes - Gymnosperms - Angiosperms (Closed seeded plants) - Uses of Medicinal plants
Introduction - Organization of Cells and Tissues - Homeostasis - Diffusion - Osmosis - Osmoregulation - Cellular respiration - Metabolism
Generation of Computers - Parts of a Computer - Input Unit - Mouse - Keyboard - Central Processing Unit (CPU) - Control Unit - Arithmetic Logic Unit - Memory Unit - Output Unit - Classification of Computer - Personal computer and its types - Hardware - Software - Types of Software - System Software - Application Software
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