# Class 8 Science Solutions | SwaVid Browse NCERT science solutions for Class 8, chapter by chapter. Canonical: https://www.swavid.com/science/class/8 Source: https://swavid.com/science/class/8 # Chapters, NCERT solutions, and practice ## Exploring the Investigative World of Science ## Exploring the Investigative World of Science ## The Invisible Living World: Beyond Our Naked Eye ## The Invisible Living World: Beyond Our Naked Eye ## Health: The Ultimate Treasure ## Health: The Ultimate Treasure ## Electricity: Magnetic and Heating Effects ## Electricity: Magnetic and Heating Effects ## Exploring Forces ## Exploring Forces ## Pressure, Winds, Storms, and Cyclones ## Pressure, Winds, Storms, and Cyclones ## Particulate Nature of Matter ## Particulate Nature of Matter ## Nature of Matter: Elements, Compounds, and Mixtures ## Nature of Matter: Elements, Compounds, and Mixtures ## The Amazing World of Solutes, Solvents, and Solutions ## The Amazing World of Solutes, Solvents, and Solutions ## Light: Mirrors and Lenses ## Light: Mirrors and Lenses ## Keeping Time with the Skies ## Keeping Time with the Skies ## How Nature Works in Harmony ## How Nature Works in Harmony ## Our Home: Earth, a Unique Life Sustaining Planet ## Our Home: Earth, a Unique Life Sustaining Planet ## If a chapter feels harder than it should, find the missing idea first. Class 8 Science Pick a chapter for concepts, practice questions, and worked NCERT answers. 13 chapters to explore One route. Three useful ways in. Chapter 1 Understanding Science as a Process · The Scientific Method: A Framework for Inquiry · Observation: The First Step to Discovery +5 Chapter 1 Chapter 2 What are Microorganisms? · Major Groups of Microorganisms · Friendly Microorganisms +3 Chapter 2 Chapter 3 Understanding Health: Beyond Absence of Disease · Determinants of Health · Nutrition for Optimal Health +4 Chapter 3 Chapter 4 Heating Effect of Electric Current · Filament of an Electric Bulb · Electric Fuse +4 Chapter 4 Chapter 5 Force and Its Effects · Friction · Contact and Non-Contact Forces +3 Chapter 5 Chapter 6 Air Exerts Pressure · High-Speed Winds Reduce Air Pressure · Air Expands on Heating and Rises +4 Chapter 6 Chapter 7 Evidence for Particulate Nature of Matter · Key Characteristics of Particles · Understanding States of Matter +4 Chapter 7 Chapter 8 Pure Substances vs. Mixtures · Elements · Compounds +4 Chapter 8 Chapter 9 Solutes, Solvents, and Solutions · Types of Solutions Based on States of Matter · Concentration of a Solution +5 Chapter 9 Chapter 10 What is Light? Rectilinear Propagation · Reflection of Light and its Laws · Plane Mirrors and Image Formation +5 Chapter 10 Chapter 11 Celestial Objects · The Moon and its Phases · Stars and Constellations +3 Chapter 11 Chapter 12 Ecosystems: The Web of Life · Food Chains and Food Webs: Energy Pathways · Energy Flow in Ecosystems: The Sun's Power +5 Chapter 12 Chapter 13 Earth's Optimal Distance and Temperature · The Life-Supporting Atmosphere · Water: The Elixir of Life +4 Chapter 13 A better first move SwaVid's Learning Debt Identifier helps map the prerequisite before practice turns into guessing. ## Key Links - [NCERT Science](https://swavid.com/science) - [Start the first chapter](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science) - [Check a prerequisite](https://swavid.com/learning-debt-identifier) - [Start the first chapter](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science) - [Check a prerequisite](https://swavid.com/learning-debt-identifier) - [Exploring the Investigative World of Science](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science) - [Concepts](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science) - [Practice](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science/ncert-solutions) - [Exploring the Investigative World of Science](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science) - [Practice set Practice](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/exploring-the-investigative-world-of-science) - [The Invisible Living World: Beyond Our Naked Eye](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye) - [Concepts](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye) - [Practice](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye/ncert-solutions) - [The Invisible Living World: Beyond Our Naked Eye](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye) - [Practice set Practice](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/the-invisible-living-world-beyond-our-naked-eye) - [Health: The Ultimate Treasure](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure) - [Concepts](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure) - [Practice](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure/ncert-solutions) - [Health: The Ultimate Treasure](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure) - [Practice set Practice](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/health-the-ultimate-treasure) - [Electricity: Magnetic and Heating Effects](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects) - [Concepts](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects) - [Practice](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects/ncert-solutions) - [Electricity: Magnetic and Heating Effects](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects) - [Practice set Practice](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/electricity-magnetic-and-heating-effects) - [Exploring Forces](https://swavid.com/science/class/8/chapter/exploring-forces) - [Concepts](https://swavid.com/science/class/8/chapter/exploring-forces) - [Practice](https://swavid.com/science/class/8/chapter/exploring-forces/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/exploring-forces/ncert-solutions) - [Exploring Forces](https://swavid.com/science/class/8/chapter/exploring-forces) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/exploring-forces) - [Practice set Practice](https://swavid.com/science/class/8/chapter/exploring-forces/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/exploring-forces/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/exploring-forces) - [Pressure, Winds, Storms, and Cyclones](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones) - [Concepts](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones) - [Practice](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones/ncert-solutions) - [Pressure, Winds, Storms, and Cyclones](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones) - [Practice set Practice](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/pressure-winds-storms-and-cyclones) - [Particulate Nature of Matter](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter) - [Concepts](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter) - [Practice](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter/ncert-solutions) - [Particulate Nature of Matter](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter) - [Practice set Practice](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/particulate-nature-of-matter) - [Nature of Matter: Elements, Compounds, and Mixtures](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures) - [Concepts](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures) - [Practice](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures/ncert-solutions) - [Nature of Matter: Elements, Compounds, and Mixtures](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures) - [Practice set Practice](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/nature-of-matter-elements-compounds-and-mixtures) - [The Amazing World of Solutes, Solvents, and Solutions](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions) - [Concepts](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions) - [Practice](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions/ncert-solutions) - [The Amazing World of Solutes, Solvents, and Solutions](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions) - [Practice set Practice](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/the-amazing-world-of-solutes-solvents-and-solutions) - [Light: Mirrors and Lenses](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses) - [Concepts](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses) - [Practice](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses/ncert-solutions) - [Light: Mirrors and Lenses](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses) - [Practice set Practice](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/light-mirrors-and-lenses) - [Keeping Time with the Skies](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies) - [Concepts](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies) - [Practice](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies/ncert-solutions) - [Keeping Time with the Skies](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies) - [Practice set Practice](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/keeping-time-with-the-skies) - [How Nature Works in Harmony](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony) - [Concepts](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony) - [Practice](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony/ncert-solutions) - [How Nature Works in Harmony](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony) - [Practice set Practice](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/how-nature-works-in-harmony) - [Our Home: Earth, a Unique Life Sustaining Planet](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet) - [Concepts](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet) - [Practice](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet/practice-questions) - [Solutions](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet/ncert-solutions) - [Our Home: Earth, a Unique Life Sustaining Planet](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet) - [Concept cards Concepts](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet) - [Practice set Practice](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet/practice-questions) - [NCERT solutions Solutions](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet/ncert-solutions) - [Begin with the idea](https://swavid.com/science/class/8/chapter/our-home-earth-a-unique-life-sustaining-planet) - [Previous class Class 7 Science](https://swavid.com/science/class/7) - [Next class Class 9 Science](https://swavid.com/science/class/9) - [Find the gap](https://swavid.com/learning-debt-identifier)