Class 8 Science
26 chapters with labs
विज्ञान के अन्वेषी संसार की खोज यात्रा
यह अध्याय विज्ञान के अन्वेषण और खोज की यात्रा का परिचय देता है, जिसमें विज्ञान के विकास और उसके महत्व को समझाया गया है।
5 labs
अदृश्य जीव-जगत-- हमारी आँखों की क्षमता से परे
यह अध्याय उन सूक्ष्म जीवों के बारे में है जो हमारी आँखों से दिखाई नहीं देते, और उनके जीवन तथा प्रभावों की चर्चा करता है।
8 labs
स्वास्थ्य-- एक अमूल्य निधि
यह अध्याय स्वास्थ्य के महत्व को बताता है और स्वस्थ जीवनशैली के लिए आवश्यक तत्वों पर प्रकाश डालता है।
2 labs
विद्युत -- चुंबकीय एवं तापीय प्रभाव
यह अध्याय विद्युत के चुंबकीय और तापीय प्रभावों की व्याख्या करता है और उनके प्रयोगों को समझाता है।
8 labs · Available with course
बलों को जानें
यह अध्याय विभिन्न प्रकार के बलों की पहचान और उनके प्रभावों की चर्चा करता है।
8 labs · Available with course
दाब, पवन, झंझावात एवं चक्रवात
यह अध्याय वायु से संबंधित प्राकृतिक घटनाओं जैसे पवन, तूफान और चक्रवात के बारे में जानकारी देता है।
8 labs · Available with course
द्रव्य की कणीय प्रकृति
यह अध्याय द्रव्यों की कणीय संरचना और उनके गुणों की व्याख्या करता है।
8 labs · Available with course
द्रव्य की प्रकृति-- तत्व, यौगिक और मिश्रण
यह अध्याय तत्वों, यौगिकों और मिश्रणों की प्रकृति और उनके बीच के अंतर को समझाता है।
8 labs · Available with course
विलेयों, विलायकों और विलयनों का अदभुत संसार
यह अध्याय विलयन, विलायक और विलयित पदार्थों के अद्भुत संसार की जानकारी प्रदान करता है।
8 labs · Available with course
प्रकाश-- दर्पण एवं लेंस
यह अध्याय प्रकाश के गुणों और दर्पण तथा लेंस के कार्यों की व्याख्या करता है।
8 labs · Available with course
आकाशीय परिघटनाएँ और काल-निर्धारण
यह अध्याय आकाशीय घटनाओं और समय निर्धारण के तरीकों की जानकारी देता है।
8 labs · Available with course
प्रकृति कैसे सामंजस्य में कार्य करती है
यह अध्याय प्रकृति के संतुलन और उसके सामंजस्यपूर्ण कार्यों की व्याख्या करता है।
8 labs · Available with course
हमारा आवास-- पृथ्वी एक अद्वितीय जीवनदायी ग्रह
यह अध्याय पृथ्वी के जीवन के लिए अनुकूल होने और हमारे आवास के महत्व को समझाता है।
8 labs · Available with course
Exploring the Investigative World of Science
This introductory chapter introduces Class 8 students to the fascinating world of scientific investigation and inquiry. Students learn about scientific methods, observation skills, hypothesis formation, and experimental design. The chapter develops critical thinking and analytical skills while fostering curiosity about natural phenomena. Students explore how science helps us understand and interact with the world around us through systematic investigation and evidence-based reasoning.
2 labs
The Invisible Living World: Beyond Our Naked Eye
This captivating chapter introduces Class 8 students to the microscopic world of living organisms that exist beyond human visual perception. Students explore microorganisms, their classification, structure, and significance in various life processes. The chapter covers bacteria, viruses, fungi, and protists, emphasizing their roles in health, disease, food production, and environmental processes. Students learn to appreciate the immense diversity and importance of microscopic life forms.
8 labs
Health: The Ultimate Treasure
This essential chapter for Class 8 students explores the comprehensive concept of health, including physical, mental, and social well-being. Students learn about factors affecting health, nutrition, exercise, hygiene, and disease prevention. The chapter emphasizes the importance of a balanced lifestyle and preventive healthcare measures. Students develop understanding of how personal choices and environmental factors influence health outcomes and quality of life.
8 labs
Electricity: Magnetic and Heating Effects
This comprehensive physics chapter introduces Class 8 students to electricity and its various effects. Students explore electric current, simple circuits, conductors and insulators, and the magnetic and heating effects of electric current. The chapter includes practical applications such as electromagnets, electric bells, and heating appliances. Students develop understanding of electrical safety and the role of electricity in modern technology and daily life.
8 labs · Available with course
Exploring Forces
This fundamental physics chapter for Class 8 students introduces the concept of forces and their effects on objects. Students learn about different types of forces, their measurement, and how forces can change the motion, shape, and direction of objects. The chapter covers contact and non-contact forces, friction, and pressure. Through hands-on activities and real-world examples, students develop understanding of how forces govern motion and interactions in the physical world.
8 labs · Available with course
Pressure, Winds, Storms, and Cyclones
This engaging chapter introduces Class 8 students to atmospheric pressure, wind formation, and weather phenomena. Students explore how air pressure variations create winds, the formation of storms and cyclones, and their impact on human life and environment. The chapter covers weather patterns, climate factors, and natural disaster preparedness. Students develop understanding of atmospheric science and weather prediction while learning about safety measures during extreme weather events.
8 labs · Available with course
Particulate Nature of Matter
This foundational chemistry chapter introduces Class 8 students to the particle model of matter. Students explore how all matter is composed of tiny particles, their constant motion, and how particle behavior explains the properties of solids, liquids, and gases. The chapter covers states of matter, changes of state, and the kinetic theory of matter. Students develop understanding of how microscopic particle behavior explains macroscopic properties and phenomena.
8 labs · Available with course
Nature of Matter: Elements, Compounds, and Mixtures
This essential chemistry chapter for Class 8 students explores the classification of matter based on its composition. Students learn to distinguish between elements, compounds, and mixtures, understanding their properties and methods of separation. The chapter covers pure substances, chemical symbols, formulas, and various separation techniques. Students develop skills in identifying and classifying different types of matter based on their chemical composition and properties.
8 labs · Available with course
The Amazing World of Solutes, Solvents, and Solutions
This fascinating chemistry chapter introduces Class 8 students to solutions and their properties. Students explore the relationship between solutes, solvents, and solutions, concentration, solubility, and factors affecting dissolution. The chapter covers different types of solutions, crystallization, and the importance of solutions in biological and industrial processes. Students develop understanding of how substances dissolve and interact at the molecular level.
8 labs · Available with course
Light: Mirrors and Lenses
This comprehensive physics chapter introduces Class 8 students to light and its behavior with mirrors and lenses. Students explore reflection, refraction, image formation, and optical instruments. The chapter covers plane and curved mirrors, convex and concave lenses, and their applications in daily life. Students develop understanding of geometric optics and learn to apply ray diagrams to predict image characteristics and solve optical problems.
8 labs · Available with course
Keeping Time with the Skies
This captivating chapter connects Class 8 students with astronomy and timekeeping through celestial observations. Students explore how ancient civilizations used astronomical phenomena to measure time, seasons, and navigate. The chapter covers the apparent motion of celestial bodies, phases of the moon, eclipses, and modern astronomical instruments. Students develop appreciation for the relationship between Earth's movement and our perception of time while learning basic astronomical concepts.
8 labs · Available with course
How Nature Works in Harmony
This integrated science chapter introduces Class 8 students to the interconnectedness of natural systems and ecological balance. Students explore ecosystems, food chains, nutrient cycles, and the delicate relationships between living and non-living components of the environment. The chapter emphasizes the importance of biodiversity, conservation, and sustainable practices. Students develop understanding of how human activities can either support or disrupt natural harmony.
8 labs · Available with course
Our Home: Earth, a Unique Life Sustaining Planet
This concluding chapter for Class 8 students explores Earth as a unique planet that supports life. Students learn about Earth's structure, atmosphere, hydrosphere, and the conditions that make life possible. The chapter covers natural resources, their management, and the importance of protecting our planet for future generations. Students develop understanding of Earth system science and their responsibility as global citizens in environmental stewardship.
8 labs · Available with course
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