Class 9 Science – Chapter 15: Life Processes in Living Organisms 🌿 Chapter 15 – Life Processes in Living Organisms Transportation in Plants (Xylem & Phloem) Excretion: Plants • Humans (Kidney → Nephron) Co-ordination: Tropisms • Nervous & Endocrine Homeostasis • Reflex Action • Hormones 1) 🧠 20 Most Important Words (Hindi meanings only) Word […]
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Class 9 Science – Chapter 14: Substances in Common Use 🧪 Chapter 14 – Substances in Common Use Everyday Salts: NaCl • NaHCO₃ • Na₂CO₃ Bleaching Powder (CaOCl₂) Crystalline Salts & Water of Crystallization Radioactivity: α • β • γ Teflon • Powder Coating • Anodizing • Ceramics Food Colours, Dyes & Deodorants 1) 🧠
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Class 9 Science – Chapter 13: Carbon : An Important Element 🧪 Chapter 13 – Carbon : An Important Element Occurrence of Carbon Allotropy: Diamond • Graphite • Fullerene Amorphous Carbon & Coal Hydrocarbons (Saturated/Unsaturated) CO₂ & Methane Biogas 1) 🧠 20 Most Important Words (Hindi meanings only) Word Meaning (Simple Hindi) Element ऐसा पदार्थ
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Class 9 Science – Chapter 12: Study of Sound 🔊 Chapter 12 – Study of Sound Sound Waves Speed of Sound Reflection & Echo Reverberation Infrasound / Ultrasound SONAR & Sonography Human Ear 1) 🧠 20 Most Important Words (Hindi meanings only) Word Meaning (Simple Hindi) Sound ऐसी ऊर्जा जो सुनने की संवेदना पैदा करे
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Class 9 Science – Chapter 11: Reflection of Light 🌟 Chapter 11 – Reflection of Light Plane Mirror Spherical Mirrors Concave vs Convex Ray Diagrams Focal Length Mirror Formula Magnification Cartesian Sign Convention Real & Virtual Images 1) 🧠 20 Most Important Words (Hindi meanings only) Word Meaning (Simple Hindi) Reflection रोशनी का सतह से
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Class 9 Science – Chapter 10: ICT – The New Direction of Progress 💻 Chapter 10 – Information Communication Technology (ICT): The New Direction of Progress Computer Components Hardware Software Operating System RAM & ROM Input–Process–Output MS Word • Excel • PowerPoint Spreadsheet Graphs Internet & Browser Opportunities in ICT 1) 🧠 20 Most Important
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Class 9 Science – Chapter 9: Environmental Management – Smart Notes 🌎 Chapter 9 – Environmental Management (Class 9 – Maharashtra Board) Weather Climate Meteorology Forecast Solid Waste 3R (Reduce–Reuse–Recycle) Biodegradable Non-biodegradable Composting Disaster Management First Aid – ABC 1) 🧠 20 Most Important Words (Hindi meanings only) Word Meaning (Simple Hindi) Weather किसी जगह
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Class 9 Science – Chapter 8: Useful and Harmful Microbes – Smart Notes 🧫 Chapter 8 – Useful and Harmful Microbes (Class 9 – Maharashtra Board) Lactobacilli Rhizobium Yeast Fermentation Probiotics Antibiotics Penicillin Clostridium Mycotoxins Infection & Prevention 1) 🧠 20 Most Important Words (Hindi meanings only) Word Meaning (Simple Hindi) Microbe / Micro-organism सूक्ष्म
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Class 9 Science – Chapter 7: Energy Flow in an Ecosystem – Smart Notes 🌱 Chapter 7 – Energy Flow in an Ecosystem (Class 9 – Maharashtra Board) Food Chain Food Web Trophic Levels Energy Pyramid Producers Consumers Decomposers Bio-Geo-Chemical Cycles Carbon Oxygen Nitrogen 1) 🧠 20 Most Important Words (with simple Hindi meanings) Word
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Class 9 Science – Chapter 6: Classification of Plants – Smart Notes 🌿 Chapter 6 – Classification of Plants (Class 9 – Maharashtra Board) Kingdom Plantae Cryptogams Phanerogams Thallophyta Bryophyta Pteridophyta Gymnosperms Angiosperms Monocots Dicots 1) 🧠 20 Most Important Words (with simple Hindi meanings) Word Meaning (Simple Hindi) Plantae स्वपोषी, कोशिका भित्ति वाले पादपों
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