Science Class 8

Compulsory Science class 8 videos, According to Curriculum Development Centre

Intermediate 5 (8 Reviews ) 1623 Students enrolled
Last updated Sun, 24-Apr-2022 Nepali
What will I learn?
  • After Completion of this Course, Students will get complete knowledge of class 8 Science and will be able to secure good score in District Level Exam.

Curriculum for this course
467 Lessons 47h 18m
0. Specification Grid
2 Lessons 11m
  • 1. Introduction to Course 3 Minutes Free
  • 2. Specification Grid 8 Minutes Free
  • 1. Measurement(Introduction) 6 Minutes Free
  • 2. Importance of measurement 6 Minutes Free
  • 3. Physical quantities, Fundamental and derived quantities 10 Minutes Free
  • 4. Units 9 Minutes Free
  • 5. Standard system of units 8 Minutes Free
  • 6. Fundamental and derivied units 15 Minutes Free
  • 7. Measurement of mass 8 Minutes Free
  • 8. One standard kilogram 4 Minutes Free
  • 9. Measurement of weight 6 Minutes
  • 10. Question 1 (Measurement of weight) 4 Minutes
  • 11. Measurement of time 9 Minutes
  • 12. Mean solar day and One standard second 8 Minutes
  • 13. Question 2 (Measurement of time) 2 Minutes
  • 14. Orders of 10 12 Minutes
  • 15. Question 3 ( Orders of 10) 3 Minutes
  • 1. Rest and Motion 9 Minutes
  • 2. Vectors and Scalars 13 Minutes
  • 3. Velocity 7 Minutes
  • 4. Example 1 (Velocity) 6 Minutes
  • 5. Example 2 (Velocity) 7 Minutes
  • 6. Uniform Velocity and non-uniform velocity 7 Minutes
  • 7. Average Velocity 7 Minutes
  • 8. Example 1 (Average Velocity) 5 Minutes
  • 9. Example 2 (Average Velocity) 4 Minutes
  • 10. Relative velocity 4 Minutes
  • 11. Relative velocity of an object w.r.t an object travelling in the same direction 7 Minutes
  • 12. Relative velocity of an object w.r.t an object travelling in the opposite direction 9 Minutes
  • 13. Example 1 (Relative velocity) 4 Minutes
  • 14. Example 2 (Relative velocity) 5 Minutes
  • 15. Acceleration 7 Minutes
  • 16. Example 1 (Acceleration) 5 Minutes
  • 17. Example 2 (Acceleration) 7 Minutes
  • 18. Example 3 (Acceleration) 7 Minutes
  • 19. Use of graphs in Physics 19 Minutes
  • 20. Equations of Motion (First equation) 10 Minutes
  • 21. Equations of Motion (Second equation) 9 Minutes
  • 22. Equations of Motion (Third equation) 10 Minutes
  • 23. Equations of Motion (Fourth equation) 8 Minutes
  • 24. Equation of motion under Gravity 9 Minutes
  • 25. Example 1 (Equations of motion) 6 Minutes
  • 26. HOW TALL IS THE BUILDING(put question mark here) Example 2 (Equations of motion) 7 Minutes
  • 27. RETARDATION Example 3 (Equations of motion) 10 Minutes
  • 28. SAVE THE KID! Example 4 (Equations of motion) 6 Minutes
  • 29. HOW FAST CAN YOU THROW(put question mark here) Example 5 (Equations of motion) 10 Minutes
  • 1. Introduction to Simple machines 3 Minutes
  • 2. Application of Simple machines 4 Minutes
  • 3. Lever 6 Minutes
  • 4. First class lever 5 Minutes
  • 5. Second class lever 5 Minutes
  • 6. Third class lever 6 Minutes
  • 7. Principle of Ideal simple machine 18 Minutes
  • 8. Problem 1 (Simple machine) 5 Minutes
  • 9. Problem 2 (Simple machine) 6 Minutes
  • 10. Problem 3 (Simple machine) 6 Minutes
  • 11. Mechanical advantage 3 Minutes
  • 12. Problem 1 (Mechanical advantage) 2 Minutes
  • 13. Problem 2 (Mechanical advantage) 4 Minutes
  • 14. Problem 3 (Mechanical advantage) 7 Minutes
  • 15. Velocity ratio 6 Minutes
  • 16. Problem 1 (Velocity ratio) 2 Minutes
  • 17. Problem 2 (Velocity ratio) 4 Minutes
  • 18. Efficiency 7 Minutes
  • 19. Example 1 (Efficiency) 9 Minutes
  • 20. Relation among MA, VR and efficiency- 4 Minutes
  • 21. Example 1 (Relation among MA, VR and efficiency) 2 Minutes
  • 22. Example 2 (Relation among MA, VR and efficiency) 9 Minutes
  • 1. Pressure 7 Minutes
  • 2. Example 1 (Pressure) 13 Minutes
  • 3. Example 2 (Pressure) 10 Minutes
  • 4. Atmospheric pressure 4 Minutes
  • 5. Activities to prove Atmospheric pressure 8 Minutes
  • 6. Mercury Barometer 10 Minutes
  • 7. Why is water not used in a barometer(put qustion mark here) 7 Minutes
  • 8. Properties of air 9 Minutes
  • 9. Importance of Atmospheric pressure 5 Minutes
  • 10. Liquid Pressure 2 Minutes
  • 11. Characteristics of liquids (part 1) 5 Minutes
  • 12. Characteristics of liquids (part 2) 6 Minutes
  • 13. Liquid Pressure 10 Minutes
  • 14. Example 1 (Liquid Pressure) 6 Minutes
  • 15. Example 2 (Liquid Pressure) 8 Minutes
  • 16. Mathematical Reason behind why is water not used in a barometer(put qustion mark here) 6 Minutes
  • 17. Density 10 Minutes
  • 18. Example 1 (Density) 4 Minutes
  • 19. Example 2 (Density) 6 Minutes
  • 20. Relative density 3 Minutes
  • 21. Example 1 (Relative density) 2 Minutes
  • 22. Sinking and floating 5 Minutes
  • 1. Energy 8 Minutes
  • 2. Mechanical energy (Kinetic energy) 10 Minutes
  • 3. Mechanical energy (Potential energy) 13 Minutes
  • 4. Example 1 (Mechanical Energy) 4 Minutes
  • 5. Example 2 (Mechanical Energy) 3 Minutes
  • 6. Example 3 (Mechanical Energy) 6 Minutes
  • 7. Example 4 (Mechanical Energy) 4 Minutes
  • 8. Electrical Energy 5 Minutes
  • 9. Heat Energy 8 Minutes
  • 10. Light Energy 2 Minutes
  • 11. Sound Energy 7 Minutes
  • 12. Magnetic Energy 4 Minutes
  • 13. Chemical Energy 4 Minutes
  • 14. Nuclear Energy 3 Minutes
  • 15. Transformation of energy 5 Minutes
  • 16. Work 6 Minutes
  • 17. What is one joule work(put question mark here) 3 Minutes
  • 18. Types of work (Work done against friction) 3 Minutes
  • 19. Example 1 (Work done against friction) 1 Minutes
  • 20. Work Done Against Gravity 7 Minutes
  • 21. Example 1 (Work done againt gravity) 4 Minutes
  • 22. Example 2 (Work done againt gravity) 4 Minutes
  • 23. Power 5 Minutes
  • 24. What is one watt power(Put questuion mark here) 3 Minutes
  • 25. Example 1 (Power) 4 Minutes
  • 26. Example 2 (Power) 3 Minutes
  • 27. Example 3 (Power) 7 Minutes
  • 28. Interrelation between work, energy and power- 4 Minutes
  • 1. Heat 8 Minutes
  • 2. Units of heat 5 Minutes
  • 3. Temperature 8 Minutes
  • 4. Relation between Heat and Temperature 5 Minutes
  • 5. Thermometer 4 Minutes
  • 6. Liquid thermometer (Mercury as a thermometric liquid) 7 Minutes
  • 7. Alcohol as a thermometric liquid 6 Minutes
  • 8. Why is water not used as a thermometric liquid(put question mark here) 6 Minutes
  • 9. Construction of a liquid thermometer 6 Minutes
  • 10. Temperature scales (Centigrade Scale) 4 Minutes
  • 11. Fahrenheit Scale 4 Minutes
  • 12. Kelvin Scale 5 Minutes
  • 13. Relation between different temperature scales 5 Minutes
  • 14. Lets Construct a Temperature Scale (Mero Degree) 7 Minutes
  • 15. Examle 1 (Conversion between temperature scales) 4 Minutes
  • 16. Examle 2 (Conversion between temperature scales) 3 Minutes
  • 17. Examle 3 (Conversion between temperature scales) 6 Minutes
  • 18. Types of liquid thermometer (Clinical Thermometer) 6 Minutes
  • 19. Laboratory Thermometer 4 Minutes
  • 1. Introduction to light 11 Minutes
  • 2. Ray and beam of light 7 Minutes
  • 3. Real and virtual image 6 Minutes
  • 4. Mirror 9 Minutes
  • 5. Characteristics of Image formed by a Plane mirror 5 Minutes
  • 6. Uses of Plane mirror 5 Minutes
  • 7. Spherical mirror 9 Minutes
  • 8. Some terms associated to spherical mirror (part 1) 9 Minutes
  • 9. Some terms associated to spherical mirror (part 2) 14 Minutes
  • 10. Rules for construction of ray diagrams in a Concave mirror 18 Minutes
  • 11. Characteristics of image formed in a concave mirror when object is at infinity- 6 Minutes
  • 12. Characteristics of image formed in a concave mirror when object is beyond 2F- 4 Minutes
  • 13. Characteristics of image formed in a concave mirror when object is at 2F 5 Minutes
  • 14. Characteristics of image formed in a concave mirror when object is between F and 2F- 4 Minutes
  • 15. Characteristics of image formed in a concave mirror when object is at F- 4 Minutes
  • 16. Characteristics of image formed in a concave mirror when object is between F and O- 5 Minutes
  • 17. Rules for construction of ray diagrams in a Convex mirror 8 Minutes
  • 18. Characteristics of image formed in a convex mirror when object is at infinity- 4 Minutes
  • 19. Characteristics of image formed in a convex mirror when object is at any point infront of mirror 4 Minutes
  • 20. Use of Concave Mirror 6 Minutes
  • 21. Use of Convex Mirror 5 Minutes
  • 22. Difference between concave and convx mirrors 3 Minutes
  • 23. Refraction of light 8 Minutes
  • 24. Optical medium 11 Minutes
  • 25. Laws of refraction of light (Part 1) 2 Minutes
  • 26. Laws of refraction of light (Part 2) 7 Minutes
  • 27. Example 1 (Refraction of light) 4 Minutes
  • 28. Example 2 (Refraction of light) 3 Minutes
  • 29. Effects of refraction 9 Minutes
  • 1. Introduction to sound 4 Minutes
  • 2. Sound wave 10 Minutes
  • 3. Some terms related to sound wave 16 Minutes
  • 4. Problem 1 (Velocity of Sound) 3 Minutes
  • 5. Problem 2 (Velocity of Sound) 4 Minutes
  • 6. Nature of Sound 3 Minutes
  • 7. Speed of sound in different media 6 Minutes
  • 8. Refraction of sound 4 Minutes
  • 9. Echo 8 Minutes
  • 10. Reverberation 5 Minutes
  • 11. Problem 1 (Echo) 3 Minutes
  • 12. Problem 2 (Echo) 3 Minutes
  • 1. Magnetism 6 Minutes
  • 2. Properties of Magnets (Part-1) 15 Minutes
  • 3. Properties of Magnets (Part-2) 7 Minutes
  • 4. Molecular theory of magnetism 11 Minutes
  • 5. Evidence of molecular theory of magnetism 5 Minutes
  • 6. Magnetic Induction 7 Minutes
  • 7. Demagnetization 6 Minutes
  • 8. Measures of conserving Magnetic strength 1 Minutes
  • 1. Electricity 3 Minutes
  • 2. Electric Charges 5 Minutes
  • 3. Method of charging bodies 9 Minutes
  • 4. Types of electricity 3 Minutes
  • 5. Sources of electricity 7 Minutes
  • 6. Working method of a Simple cell 9 Minutes
  • 7. Defects in Simple cell 3 Minutes
  • 8. Dry cell 5 Minutes
  • 9. Working of dry cell 9 Minutes
  • 10. Dynamo 4 Minutes
  • 11. Domestic wiring 15 Minutes
  • 12. Some devices of domestic wiring (part 1) 5 Minutes
  • 13. Some devices of domestic wiring (part 2) 4 Minutes
  • 1. Matter 7 Minutes
  • 2. Elements 6 Minutes
  • 3. Metals, nonmetals and metalloids 8 Minutes
  • 4. Compounds 7 Minutes
  • 5. Molecules 8 Minutes
  • 6. Atom 9 Minutes
  • 7. Sub-atomic particles 10 Minutes
  • 8. Atomic mass unit 3 Minutes
  • 9. Electric charge 3 Minutes
  • 10. Importance of atom 3 Minutes
  • 11. Atomic number 4 Minutes
  • 12. Molecula Weight 4 Minutes
  • 13. Atomic mass 5 Minutes
  • 14. Atomic number and mass of first 20 elements 14 Minutes
  • 15. Electronic configuration of an atom 15 Minutes
  • 16. Radicals 11 Minutes
  • 17. Valency 7 Minutes
  • 18. Valency of electropositive radicals 5 Minutes
  • 19. Valency of electronegative radicals 6 Minutes
  • 20. Molecular formula of Elements 5 Minutes
  • 21. Molecular formula of compounds 9 Minutes
  • 22. Imformation given by a molecular formula 7 Minutes
  • 23. Steps of writing molecular formula of compounds 19 Minutes
  • 24. Word equation 5 Minutes
  • 25. Chemical equation 7 Minutes
  • 26. Some clues for balancing chemical equation 21 Minutes
  • 27. Common names and molecular formula of some substances 7 Minutes
  • 28. Classification of elements (put colon here) Periodic table- 14 Minutes
  • 29. Demerits of Mendeleev's Periodic table 5 Minutes
  • 30. Modern periodic table 11 Minutes
  • 31. Periods 6 Minutes
  • 32. Groups 9 Minutes
  • 33. Improvements in Modern periodic table over Mendeleev's Table 3 Minutes
  • 34. Importance of Modern Periodic table 4 Minutes
  • 1. Introduction to Mixture 7 Minutes
  • 2. Distillation 8 Minutes
  • 3. Fractional Distillation 5 Minutes
  • 4. Uses of fractional distillation 4 Minutes
  • 5. Chromatography (Paper Chromatography) 5 Minutes
  • 6. Chromatography (Adsorption Chromatography)_1 3 Minutes
  • 7. Application of chromatography 3 Minutes
  • 1. Metals, non-metals and metalloids 12 Minutes
  • 2. Position of metals, nonmetals and metalloids in the modern periodic table 6 Minutes
  • 3. Aluminium 9 Minutes
  • 4. Properties of aluminium 2 Minutes
  • 5. Uses of aluminium 4 Minutes
  • 6. Iron 8 Minutes
  • 7. Properties of iron 3 Minutes
  • 8. Uses of iron 4 Minutes
  • 9. Copper 4 Minutes
  • 10. Properties of copper 2 Minutes
  • 11. Uses of copper 2 Minutes
  • 12. Silver 3 Minutes
  • 13. Properties of silver 3 Minutes
  • 14. Uses of silver 3 Minutes
  • 15. Gold 5 Minutes
  • 16. Properties of gold 3 Minutes
  • 17. Uses of gold 3 Minutes
  • 18. Silicon 4 Minutes
  • 19. Properties of silicon 2 Minutes
  • 20. Uses of silicon 3 Minutes
  • 21. Sulphur 3 Minutes
  • 22. Properties of sulphur 2 Minutes
  • 23. Uses of sulphur 3 Minutes
  • 1. Acid, Base and Salt 5 Minutes
  • 2. Indicator 4 Minutes
  • 3. Indicator and their color change 4 Minutes
  • 4. Acid 4 Minutes
  • 5. Types of Acid 8 Minutes
  • 6. Properties of acid 3 Minutes
  • 7. Uses of Acids 5 Minutes
  • 8. Base 6 Minutes
  • 9. Physical Properties of Base 2 Minutes
  • 10.Chemical Properties of base 13 Minutes
  • 11. Uses of base 3 Minutes
  • 12.Salt 6 Minutes
  • 13.Types of salt 9 Minutes
  • 14.Physical Properties of Salt 8 Minutes
  • 15.Uses of Salt 4 Minutes
  • 16.Universal Indicator 3 Minutes
  • 17.pH and pH scale 3 Minutes
  • 18.pH meter 1 Minutes
  • 1. Some useful Chemicals 1 Minutes
  • 2. Sodium carbonate 5 Minutes
  • 3. Sodium bicarbonate 4 Minutes
  • 4. Glycerol 5 Minutes
  • 5. Water and its physical properties 7 Minutes
  • 6. Chemical properties of water 6 Minutes
  • 7. Hard water and soft water 3 Minutes
  • 8. Temporary hardness and its removal (Types of hardness of water) 7 Minutes
  • 9. Permanent hardness and its removal (Types of hardness of water) 6 Minutes
  • 10. Permutits Process 8 Minutes
  • 1. Living Beings 2 Minutes
  • 2. Micro organisms 3 Minutes
  • 3. Viruses 9 Minutes
  • 4. Classification of Viruses 8 Minutes
  • 5. Bacteria 5 Minutes
  • 6. Types of bacteria 9 Minutes
  • 7. Structure of bacteria 6 Minutes
  • 8. Economic importance of bacteria 3 Minutes
  • 9. Fungi 7 Minutes
  • 10. Economic importance of fungi 3 Minutes
  • 11. Modification in different parts of plants 3 Minutes
  • 12. Modification of roots 8 Minutes
  • 13. Modification of roots (For mechanical support) 4 Minutes
  • 14. Modification of roots for other vital functions 5 Minutes
  • 15. Modification of underground stem 4 Minutes
  • 16. Modification of sun-aerial stem 5 Minutes
  • 17. Modification of aerial stem 3 Minutes
  • 18. Modification of leaves 4 Minutes
  • 19. Life cycle of a flowering plant 4 Minutes
  • 20. Flower 2 Minutes
  • 21. Calyx and Corolla 6 Minutes
  • 22. Androecium and Gynoecium 18 Minutes
  • 23. Pollination 9 Minutes
  • 24. Fertilization 7 Minutes
  • 25. Seed 12 Minutes
  • 26. Functions of seeds 2 Minutes
  • 27. Dispersal of seeds (By air and water) 3 Minutes
  • 28. Dispersal of seed (By explosion of fruits and by animals) 5 Minutes
  • 29. Germination of seed 6 Minutes
  • 1. Cell 4 Minutes
  • 2. Tissue 5 Minutes
  • 3. Muscular tissue 5 Minutes
  • 4. Connective tissue 3 Minutes
  • 5. Nervous tissue 3 Minutes
  • 6. Epithelial tissue 6 Minutes
  • 7. Function of epithelial tissues 3 Minutes
  • 8. Types of epithelial tissues (Squamous epithelium explained) 5 Minutes
  • 9. Cuboidal epithelium 3 Minutes
  • 10. Columnar epithelium 3 Minutes
  • 11. Cilliated and glandular epithelium 5 Minutes
  • 12. Stratified epithelium 3 Minutes
  • 13. Plant tissue 5 Minutes
  • 14. Apical meristem 2 Minutes
  • 15. Lateral meristem and Intercalary meristem 3 Minutes
  • 16. Permanent tissue 2 Minutes
  • 17. Interrelationship between cell, tissue and organ in human body 6 Minutes
  • 18. Body systems, component organs, tissues and their functions 9 Minutes
  • 1. Life processes 4 Minutes
  • 2. Fission 3 Minutes
  • 3. Budding 2 Minutes
  • 4. Fragmentation and regenration 4 Minutes
  • 5. Sporulation 2 Minutes
  • 6. Vegetative Propagation 5 Minutes
  • 7. Advantages of asexual reproduction 3 Minutes
  • 8. Sexual reproduction 3 Minutes
  • 9. Sexual reproduction in plants 8 Minutes
  • 10. Sexual reproduction in animals 4 Minutes
  • 11 Significance of sexual reproduction 3 Minutes
  • 12. Internal Transformation- 6 Minutes
  • 13. Blood Circulatory system 4 Minutes
  • 14. Blood and its components 3 Minutes
  • 15. Plasma 4 Minutes
  • 16. Blood corpuscles 4 Minutes
  • 17. White blood corpuscles 3 Minutes
  • 18. Blood platelets 3 Minutes
  • 19. Functions of blood 3 Minutes
  • 20. The Heart 4 Minutes
  • 21. Internal Structure of heart 10 Minutes
  • 22. Working of heart 10 Minutes
  • 23. Blood vessels 8 Minutes
  • 24. Photosynthesis 5 Minutes
  • 25. Essential raw materials and condition for photosynthesis 6 Minutes
  • 1. Minerals 3 Minutes
  • 2. Types of minerals 4 Minutes
  • 3. Characteristics of minerals 3 Minutes
  • 4. Uses of minerals 3 Minutes
  • 5. Some minerals found in Nepal 3 Minutes
  • 6. Soil 4 Minutes
  • 7. Formation of soil 10 Minutes
  • 8. Composition of soil 5 Minutes
  • 9. Soil profile 3 Minutes
  • 10. Erosion and Deposition 6 Minutes
  • 11. Soil conservation 7 Minutes
  • 1. Introduction to weather and climate 5 Minutes
  • 2. Different types of climate according to temperature 4 Minutes
  • 3. Different climatic zones according to nature of rainfall 6 Minutes
  • 4. Factors effecting climate(Distance from equator) 11 Minutes
  • 5. Factors effecting climate(Altitude) 5 Minutes
  • 6. Factors effecting climate(Distance from sea) 5 Minutes
  • 7. Climate of Nepal 4 Minutes
  • 8. Monsoon 2 Minutes
  • 9. Effects of monsoon(Advantages) 3 Minutes
  • 10. Effects of monsoon(Disadvantages) 2 Minutes
  • 11. Measures of minimizing the adverse effects of monsoon 2 Minutes
  • 1. Origin of the Earth (Planetesimal Hypothesis) 6 Minutes
  • 2. Nebular Hypothesis 3 Minutes
  • 3. Tidal Hypothesis 4 Minutes
  • 4. Dust-cloud Hypothesis 6 Minutes
  • 5. Origin of life on the Earth 7 Minutes
  • 6. Causes of origin of life on the Earth 8 Minutes
  • 7. Change in the position of the Sun and the Earth 13 Minutes
  • 8. Effects of change in position of the Earth around the Sun 11 Minutes
  • 9. Phases of Moon 14 Minutes
  • 1. Natural resources and human dependency 2 Minutes
  • 2. Different natural resources 10 Minutes
  • 3. Wildlife Conservation in Nepal 5 Minutes
  • 4. Sagarmatha National park 2 Minutes
  • 5. Langtang National park 2 Minutes
  • 6. Rara National park 2 Minutes
  • 7. Bardiya National park 1 Minutes
  • 8. Shey-Phoksundo National Park 3 Minutes
  • 9. Khapad national park 2 Minutes
  • 10. Makalu-Barun National park and conservation area 3 Minutes
  • 11. Shivpuri-Nagarjun National park 2 Minutes
  • 12. Banke National park 2 Minutes
  • 13. Shuklaphanta 5 Minutes
  • 14. Koshi Tappu wild life reserve 2 Minutes
  • 15. Parsa wildlife reserve 2 Minutes
  • 16. Dhorpatan 3 Minutes
  • 17. Conservation areas (Annapurna Conservation area) 4 Minutes
  • 18. Kanchenjunga Conservation area 2 Minutes
  • 19. Manaslu Conservation area 2 Minutes
  • 20. Krishnasaar conservatioon area 2 Minutes
  • 21. Gaurishankar conservation area 3 Minutes
  • 22. Api-Nampa Conservation area 2 Minutes
  • 23. Forests of Nepal 7 Minutes
  • 24. Importance and necessity of forest 7 Minutes
  • 25. Forest products 5 Minutes
  • 26. Medicinal plants 4 Minutes
  • 27. Protected forest products of Nepal 2 Minutes
  • 28. Some rare animals of Nepal 3 Minutes
  • 29. One horned rhinoceros and Bengal tiger- 6 Minutes
  • 30. Asiatic elephant and Red panda 5 Minutes
  • 31. Asiatic rock python and Giant pied Hornbill 5 Minutes
  • 1. Effects of human activities on the environment 2 Minutes
  • 2. Environmental pollution 3 Minutes
  • 3. Causes of air pollution 5 Minutes
  • 4. Effects of air pollution 4 Minutes
  • 5. Water pollution 2 Minutes
  • 6. Causes of water pollution 7 Minutes
  • 7. Effects of water pollution 3 Minutes
  • 8. Soil pollution 2 Minutes
  • 9. Causes of soil pollution 5 Minutes
  • 10. Effects of soil pollution 3 Minutes
  • 11. Sound pollution 2 Minutes
  • 12. Causes of sound pollution 5 Minutes
  • 13. Effects of sound pollution 3 Minutes
  • 14. Green house effect 5 Minutes
  • 15. Causes of increasing green house gases in the atmosphere 4 Minutes
  • 16. Impacts of green house effect 5 Minutes
  • 17. Climate change 5 Minutes
  • 18. Causes of climate change 5 Minutes
  • 19. Effects of climate change 5 Minutes
  • 20. Acid rain 3 Minutes
  • 21. Causes and effects of acid rain 4 Minutes
  • 22. Control measures of acid rain 3 Minutes
  • 23. Disasters and its types 6 Minutes
  • 24. Measures of risk reduction and disaster management 4 Minutes
  • 25. Earthquake management and risk reduction 7 Minutes
  • 26. During an earthquake 5 Minutes
  • 27. Flood and landslide management and risk reduction 3 Minutes
  • 28. During flood and landslide 3 Minutes
  • 29. Before and after flood and landslide 3 Minutes
  • 30. Fire management and risk reduction 10 Minutes
  • 31. Management of epidemic and risk reduction 4 Minutes
  • 32. Environmental conservation 6 Minutes
  • 33. Involvement of national and International organiations in environmental consevation (National trust for nature conservation) 3 Minutes
  • 34. International union for conservation of nature and natural resources(IUCN) 3 Minutes
  • 35. Worldwide fund for nature (WWF) 3 Minutes
  • 36. United nations Environment Programme(UNEP) and International centre for Integrated Mountain Development (ICIMOD) 4 Minutes
  • 1. Biodiversity 3 Minutes
  • 2. Ecological diversity 4 Minutes
  • 3. Taxonomic diversity 5 Minutes
  • 4. Morphological diversity 4 Minutes
  • 5. Principle of sustainable development 4 Minutes
  • 6. Importance of sustainable development 4 Minutes
  • Requirements
    • Students are required to have sound knowledge of Class 7 Science, based on CDC curriculum.
    Description
    The videos herein are strictly based on Nepal CDC curriculum, promoting e-Learning in Nepal and are made with intention to provide guidance to the Class 8 students, for securing good score and crack District Level Examination. This course tries to cover all the general knowledge for Measurement, Velocity & Acceleration, Simple Machine, Pressure, Energy, Work & Power, and Heat. This course also comprises with Light, Sound, Magnetism, Electricity, Matter, Mixture, Metals & Non-Metals, Acid, Base & Salt, Living Beings, Cell & Tissue, Life Cycle, Structure of the Earth, Weather and Climate, The Earth and Space, Environment and its Balance, and Environment Degradation, Conservation and Sustainable Development along with solution of frequently asked questions' solutions and list of formula and Chemical Formula needed for completing Class 8's Compulsory Science. We strongly believe that, viewers will be benefited from these videos. Feedbacks and advises are always welcome and highly appreciated!
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