5. Towards Green Energy You will learn Use of various energy sources • Generation of electrical energy • How power generation impacts the environment • Clean (green) alternatives like hydro, wind & solar. Can you recall? What is Energy and its forms (mechanical, chemical, sound, light, heat)? Where do you use electricity daily and how […]
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4. Environmental Management Chapter Outline: Environment & Ecosystem Ecosystem — A Review Environment Conservation & Management Biodiversity & Hotspots Can You Recall? 1) What is an ecosystem? Which are its components? 2) Types of consumers & criteria of classification? 3) Relationship between a lake and birds on a nearby tree? 4) Difference between a food
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3. Life Processes in Living Organisms — Part 2 Reproduction (Asexual & Sexual) • Modern Reproductive Technology • Reproductive Health • Population Explosion Intro & Key Questions Asexual Reproduction Sexual Reproduction — Overview Sexual Reproduction in Plants Seed Germination Sexual Reproduction in Humans Menstrual Cycle Reproduction & Modern Technology Reproductive Health Population Explosion Can you recall?
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Chapter 2: Life Processes in Living Organisms — Part 1 Chapter Flow Living Organisms & Life Processes Energy Production in Cells Nutrients & Energy Efficiency Cell Division (Mitosis & Meiosis) Can you recall? Why is a balanced diet essential? Role of digestive juices & enzymes? How do muscles help in daily work & sports? Which system
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Chapter 1 — Heredity & Evolution (Detailed Notes) Can You Recall? Chromosomes & DNA in the nucleus carry hereditary characters via genes. Transfer of parental traits to offspring is Heredity. DNA is built from nucleotides (sugar–phosphate backbone + bases A, T, G, C). 1) Heredity & Hereditary Changes — Historical Milestones Gregor J. Mendel —
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10. Space Missions Space Missions Satellite Launch Vehicles Artificial Satellites Classification Orbits Missions Beyond Earth Quick Navigation: Can you recall? • Need & Importance • Artificial Satellites • Classification • Orbits & Equations • Launch Vehicles • Missions Beyond Earth • India & Space Tech • Inspiring Astronauts • Space Debris Can you recall? Space
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9. Carbon Compounds Coverage: Bonds in carbon compounds Hydrocarbons Functional groups Homologous series Carbon: a versatile element IUPAC nomenclature Chemical properties Macromolecules & Polymers 1) Bonds in Carbon Compounds Most carbon compounds are covalent (share electrons) → low melting/boiling points (often < 300 °C) and poor electrical conductors (no free ions in solid or solution). Why
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8. Metallurgy – Complete Chapter Notes Physical & Chemical Properties Reactivity Series Ionic Compounds Concentration of Ores Extraction of Metals Aluminium (Bayer + Electrolysis) Corrosion & Prevention Alloys & Uses Earth formed ~4.5 billion years ago. Continuous geological processes created various ores, liquids and gases. Matter around us exists as elements/compounds. A classic way to
7. Lenses Topics: Types of Lenses Key Terms Ray Diagrams Lens Formula & Magnification Power & Lens Combinations Human Eye Vision Defects Uses of Lenses What is a Lens? A lens is a transparent optical medium bounded by (usually) two spherical surfaces. Light refracts twice as it passes through a lens—on entering and on emerging—so
6. Refraction of Light Refraction & Real-life Demos Laws of Refraction (Snell’s Law) Refractive Index Atmospheric Refraction Dispersion & Prism Total Internal Reflection & Rainbow Refraction & Everyday Observations Refraction is the bending (change in direction) of light when it travels obliquely from one transparent medium to another with different optical density (different speed of
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