Science 9

Compulsory Science class 9 videos according to Curriculum Development Centre, Nepal Designed for class 9 Students.

Intermediate 5 (13 Reviews ) 1527 Students enrolled
Last updated Mon, 24-Jan-2022 Nepali
What will I learn?
  • After Completion of this Course, Students will get complete knowledge of class 9 Compulsory Science and will be able to secure good score in the exam.

Curriculum for this course
449 Lessons 45:40 Minutes
0. Introduction To Science
1 Lessons 05 Minutes
  • Specification grid 05 Minutes Free
  • 1. Measurement 04 Minutes Free
  • 2. Physical Quantities (fundamental and derived) 08 Minutes
  • 3. Units 06 Minutes
  • 4. Characteristics of Units 08 Minutes
  • 5. Standard system of units and advantages of S.I. unit 11 Minutes
  • 6.Fundamental units and derived unit 16 Minutes
  • 7. Example 1 of units 02 Minutes
  • 1. Force 03 Minutes
  • 2. Effects of Force 08 Minutes
  • 3. Balanced and Unbalanced forces 06 Minutes
  • 4. Distance travelled and displacement 10 Minutes
  • 5. Speed 06 Minutes
  • 6. Velocity 04 Minutes
  • 7. Uniform and non-uniform Velocity 04 Minutes
  • 8. Average velocity 04 Minutes
  • 9. Acceleration 10 Minutes
  • 10. Use of graphs in physics 18 Minutes
  • 11. Equation of motion (first equation) 09 Minutes
  • 12. Equation of motion(Second equation) 08 Minutes
  • 13. Equation of motion(Third equation) 09 Minutes
  • 14. Equation of motion(Fourth equation) 10 Minutes
  • 15. Application of equations of motion 15 Minutes
  • 16. Problem 1 03 Minutes
  • 17. Problem 2 03 Minutes
  • 18. Problem 3 (How high can you throw (put question mark here)) 06 Minutes
  • 19. Problem 4 Will the train collide(put question mark here) 11 Minutes
  • 20. Inertia 07 Minutes
  • 21. Momentum 05 Minutes
  • 22. Newton's Law of motion(First Law) 04 Minutes
  • 23. Examples of Newton's first law 06 Minutes
  • 24. Newton's Law of motion(Second Law) 10 Minutes
  • 25. Examples of Newton's second law of motion 13 Minutes
  • 26. Problem 1 Newton's second law 05 Minutes
  • 27. Problem 2-How airbags work(put question mark here) 10 Minutes
  • 28. Newton's third law of motion 06 Minutes
  • 29. Examples of third law of motion 06 Minutes
  • 1. Simple machines 03 Minutes
  • 2. Advantages of simple machines 02 Minutes
  • 3. Mechanical Advantage 02 Minutes
  • 4. Velocity Ratio 05 Minutes
  • 5. Efficiency 07 Minutes
  • 6. Ways to increase efficiency of a machine 03 Minutes
  • 7.Relationship between MA, VR and efficiency 05 Minutes
  • 8.Principles of simple machines 05 Minutes
  • 9.Lever 05 Minutes
  • 10.Problem 1 (MA, VR and η of a lever) 12 Minutes
  • 11.Pulley 07 Minutes
  • 12.Problem 1 (MA, VR and η of a pulley) 08 Minutes
  • 13.Inclined plane 04 Minutes
  • 14.Problem 1 (MA, VR and η of a inclined plane) 03 Minutes
  • 15.Wheel and axle 06 Minutes
  • 16.Problem 1 (Ma, VR and η of a wheel and axle) 05 Minutes
  • 17.Wheel and axle as a continuous lever 03 Minutes
  • 18.Screw and wedge wala video 06 Minutes
  • 19.Moment of force 08 Minutes
  • 20.Mathematical description of moment of force 18 Minutes
  • 21.Law of moment 06 Minutes
  • 22.Problem 1 (Law of moment) 09 Minutes
  • 23.Problem 2 (Law of moment) 06 Minutes
  • 1. Work 13 Minutes
  • 2. Definition of one joule work 04 Minutes
  • 3. Work against friction 05 Minutes
  • 4. Example 1 (Work done against friction) 04 Minutes
  • 5. work against gravity 04 Minutes
  • 6. Problem 1 05 Minutes
  • 7. Energy 10 Minutes
  • 8. Mechanical energy 09 Minutes
  • 9. Example 1(Kinetic energy) 03 Minutes
  • 10. Problem 2(Kinetic energy) 08 Minutes
  • 11. Potential energy 07 Minutes
  • 12. Example 1(Potential energy) 06 Minutes
  • 13. Electrical energy 05 Minutes
  • 14. Heat energy 06 Minutes
  • 15. Light energy 02 Minutes
  • 16. Sound energy 04 Minutes
  • 17. Magnetic energy 03 Minutes
  • 18. Chemical energy 03 Minutes
  • 19. Nuclear energy 05 Minutes
  • 20. Relation between work and energy 07 Minutes
  • 21. Power 05 Minutes
  • 22. What is one watt power ? 05 Minutes
  • 23. Example 1(Power) 04 Minutes
  • 1. Introduction to sound 04 Minutes
  • 2. Properties of sound wave 05 Minutes
  • 3. Sound wave 08 Minutes
  • 4. Wave motion and some terms related to wave motion 14 Minutes
  • 5. Relationship between time period and frequency 04 Minutes
  • 6. Problem 1 (Wave motion) 02 Minutes
  • 7. Problem 2 (Wave motion) 03 Minutes
  • 8. Problem 3 (Wave motion) 07 Minutes
  • 9. Speed of sound in different media at 0 degree C 06 Minutes
  • 10. Factors effecting speed of sound in a gas medium 07 Minutes
  • 11. Problem 1 (Factors effecting speed of sound) 04 Minutes
  • 12. Audibility 08 Minutes
  • 13. Applications of ultrasound 04 Minutes
  • 14. Characteristics of notes(Pitch) 07 Minutes
  • 15. Characteristics of notes(Intensity of sound) 10 Minutes
  • 16. Average intensity level 05 Minutes
  • 17. Factors effecting intensity of sound 03 Minutes
  • 18. Characteristics of notes(Quality) 03 Minutes
  • 19. Reflection of sound 02 Minutes
  • 20. Echo 06 Minutes
  • 21. Reverberation 04 Minutes
  • 22. Refraction of sound 07 Minutes
  • 23. Noise and music 02 Minutes
  • 1. Light energy 04 Minutes
  • 2. Refraction of light 05 Minutes
  • 3. Optical medium 10 Minutes
  • 4. Laws of refraction of light(First law) 04 Minutes
  • 5. Laws of refraction of light(Second law) 07 Minutes
  • 6. Problem 1 (Refraction of light) 03 Minutes
  • 7. Problem 2 (Refraction of light) 05 Minutes
  • 8. Examples of refraction of light 13 Minutes
  • 9. Why does path of light bend ? 12 Minutes
  • 10. Real depth and apparent depth 04 Minutes
  • 11. Example 1 (Real depth and apparent depth) 02 Minutes
  • 12. Critical angle 07 Minutes
  • 13. Example 1 (Critical angle) 05 Minutes
  • 14. Total internal reflection 09 Minutes
  • 15. Example 1 (Total internal reflection) 04 Minutes
  • 16. Why diamonds shine but glass or water does not ? 07 Minutes
  • 17. Prisms 14 Minutes
  • 18. How rainbow is formed in the atmosphere ? 10 Minutes
  • 19. Electromagnetic spectrum 16 Minutes
  • 20. Visible and infrared light 10 Minutes
  • 21. Radio waves and ultraviolet radition 06 Minutes
  • 22. X-rays 04 Minutes
  • 1. Electrical energy 04 Minutes
  • 2. Electric current 06 Minutes
  • 3. Electromotive force and potential difference 08 Minutes
  • 4. Electric resistance 06 Minutes
  • 5. Conductors, Semi-conductors and insulators 05 Minutes
  • 6. Factors effecting resistance in metals 06 Minutes
  • 7. Resistance formula 08 Minutes
  • 8. Ohm's law 09 Minutes
  • 9. Problem 1 07 Minutes
  • 10. Problem 2 09 Minutes
  • 11. Problem 3 05 Minutes
  • 12. Problem 4 09 Minutes
  • 13. Magnet 06 Minutes
  • 14. Properties of magnetic lines of forces 05 Minutes
  • 15. Neutral point 05 Minutes
  • 16. Terrestrial magnetism 07 Minutes
  • 17. Magnetic elements of the earth's magnetic field 10 Minutes
  • 1. Pure substance and impure substance 08 Minutes
  • 2. Elements 08 Minutes
  • 3. Metals, non metals and metalloids 06 Minutes
  • 4. Compounds 05 Minutes
  • 5. Molecule 04 Minutes
  • 6. Atom 06 Minutes
  • 7. Shells, subshells and orbitals 15 Minutes
  • 8. 3D Visualisation of Shells, subshells and orbitals 10 Minutes
  • 9. Electronic configuration 14 Minutes
  • 10. Aufbau principle 09 Minutes
  • 11. Valence shell and valence electrons 03 Minutes
  • 12. Information from valence electrons 04 Minutes
  • 13. Valency 05 Minutes
  • 14. Variable valency 04 Minutes
  • 15. Radicals 05 Minutes
  • 16. Valency of electropositive radicals 04 Minutes
  • 17. Valency of electronegative radicals 03 Minutes
  • 18. Ions 06 Minutes
  • 19. Inert gases 08 Minutes
  • 20. Duplet rule and octet rule 19 Minutes
  • 21. Chemical bonding 05 Minutes
  • 22. Electrovalent bond 08 Minutes
  • 23. Example of electrovalent bond(Magnesium chloride) 04 Minutes
  • 24. Characteristics of electrovalent bond 04 Minutes
  • 25. Covalent bond 14 Minutes
  • 26. Characteristics of covalent compounds 04 Minutes
  • 27. Molecular formula of compounds and elements 04 Minutes
  • 28. Infomation given by a molecular formula 04 Minutes
  • 29. Steps of writing molecular formula of compounds 13 Minutes
  • 1. Physical change and chemical change 07 Minutes
  • 2. Chemical reaction 06 Minutes
  • 3. Chemical equation 08 Minutes
  • 4. Drawbacks of skeletal chemical equation 03 Minutes
  • 5. Writing and balancing chemical equations 17 Minutes
  • 6. Information conveye by a balanced chamical equation 04 Minutes
  • 7. Limitations of chemical equations 07 Minutes
  • 8. Endothermic and exothermic reaction 06 Minutes
  • 9. Catalyst 04 Minutes
  • 10. Characteristics of catalyst 04 Minutes
  • 1. Solution 06 Minutes
  • 2. Unsaturated and saturated solution 05 Minutes
  • 3. Supersaturated solution 04 Minutes
  • 4. Importance of solution 03 Minutes
  • 5. Solubility of a substance 06 Minutes
  • 6. Effect of heat on solubility 03 Minutes
  • 7. Solubility curve 04 Minutes
  • 8. Crystals 02 Minutes
  • 9. Characteristics of crystals 02 Minutes
  • 10. Crystallization 03 Minutes
  • 11. Problem 1 03 Minutes
  • 12. Problem 2 07 Minutes
  • 13. Problem 3 12 Minutes
  • 1. Atmosphere 05 Minutes
  • 2. Hydrogen gas 05 Minutes
  • 3. General methods of preparation for hydrogen gas 09 Minutes
  • 4. Laboratory preparation of hydrogen gas 11 Minutes
  • 5. manufacture of hydrogen 04 Minutes
  • 6. Nascent hydrogen 02 Minutes
  • 7. Physical properties of hydrogen gas 04 Minutes
  • 8. Chemical properties of hydrogen gas 13 Minutes
  • 9. Uses of hydrogen gas 03 Minutes
  • 10. Oxygen 07 Minutes
  • 11. General methods of preparation of oxygen gas 03 Minutes
  • 12. Laboratory preparation of oxygen gas (With heat) 06 Minutes
  • 13. Laboratory preparation of oxygen gas (Without using heat) 05 Minutes
  • 14. Test of oxygen gas 03 Minutes
  • 15. Manufacture of oxygen gas 02 Minutes
  • 16. Physical properties of oxygen gas 04 Minutes
  • 17. Chemical properties of oxygen gas 12 Minutes
  • 18. Uses of oxygen gas 03 Minutes
  • 19. Nitrogen 07 Minutes
  • 20. General method of preparation of nitrogen gas 03 Minutes
  • 21. Laboratory preparation o nitrogen gas 07 Minutes
  • 22. Test of nitrogen gas 02 Minutes
  • 23. Manufacture of nitrogen gas 02 Minutes
  • 24. Physical properties of nitrogen gas 03 Minutes
  • 25. Chemical properties of nitrogen gas 05 Minutes
  • 26. Uses of nitrogen gas 04 Minutes
  • 1. Metals 05 Minutes
  • 2. General properties of metals 11 Minutes
  • 3. Alloy 05 Minutes
  • 4. Electron sea model of metals 07 Minutes
  • 5. Some questions answered by electron sea model 06 Minutes
  • 6. Chemical properties of metals 06 Minutes
  • 7. Metalloids 03 Minutes
  • 8. Role of metals for organisms 07 Minutes
  • 9. Importance of zinc 04 Minutes
  • 10. Importance of sodium and potassium 04 Minutes
  • 11. Harmful effects pf mercury 03 Minutes
  • 12. Harmful effects of lead 05 Minutes
  • 1. Carbon in common materials 05 Minutes
  • 2. Sources of carbon 05 Minutes
  • 3. Nature of carbon 06 Minutes
  • 4. Allotropy of carbon 07 Minutes
  • 5. Diamond 04 Minutes
  • 6. Uses of diamond 01 Minutes
  • 7. Graphite 04 Minutes
  • 8. Uses of graphite 02 Minutes
  • 9. Chemical properties of carbon 07 Minutes
  • 10. Organic and inorganic compounds 04 Minutes
  • 1. Sources of water 08 Minutes
  • 2. Sources of ground water 04 Minutes
  • 3. Physical properties of water 10 Minutes
  • 4. Capillary action 03 Minutes
  • 5. Chemical properties of water 08 Minutes
  • 6. Solvent property of water 08 Minutes
  • 7. Uses of water 03 Minutes
  • 8. Types of water 02 Minutes
  • 9. Why does hard water not form lather easily ? 04 Minutes
  • 10. Types of hard water 02 Minutes
  • 11. Temporary hardness and its removal 05 Minutes
  • 12. Permanent hardness of water and its removal 04 Minutes
  • 13. Permutits process 05 Minutes
  • 14. Advantages and disadvantages of hard water 02 Minutes
  • 1. Fertilizers 03 Minutes
  • 2. Organic fertilizers 04 Minutes
  • 3. Advantages of organic fertilizers 02 Minutes
  • 4. Disadvantages of organic fertilizers 02 Minutes
  • 5. Inorganic fertilizers 05 Minutes
  • 6. Phosphorus fertilizers 05 Minutes
  • 7. Potassium fertilizers 04 Minutes
  • 8. Types of chemical fetilizers 04 Minutes
  • 9. Advantages of chemical fertilizers 02 Minutes
  • 10. Disadvantages of chemical fertilizers 02 Minutes
  • 11. Precautions while using chemical fertilizers 04 Minutes
  • 12. Difference between organic fertilizers and inorganic fertilizers_1 02 Minutes
  • 1. Classification of plants and animals 04 Minutes
  • 2. Importance of classification 05 Minutes
  • 3. Heirarchy of classification 08 Minutes
  • 4. Nomenclature 06 Minutes
  • 5. Five-kingdom system of classification 07 Minutes
  • 6. Kingdom(put colon here) Monera 04 Minutes
  • 7. Kingdom(put colon here) Protista 04 Minutes
  • 8. Kingdom(put colon here) Plantae 03 Minutes
  • 9. Kingdom(put colon here) Fungi 03 Minutes
  • 10. Kingdom(put colon here) Animalia 04 Minutes
  • 11. Kingdom(put colon here) Plantae and its divisions 03 Minutes
  • 12. Division(put colon here) Algae 05 Minutes
  • 13. Division(put colon here) Bryophyta 04 Minutes
  • 14. Division(put colon here) Tracheophyta and its sub-division Pteridophyta 08 Minutes
  • 15. Sub-division(put colon here) Gymnosperms 04 Minutes
  • 16. Sub-division(put colon here) Angiosperms 05 Minutes
  • 17. Class(put colon here) Monocotyledons 05 Minutes
  • 18. Class(put colon here) Dicotyledons 06 Minutes
  • 19. Way of writing classification of plants 10 Minutes
  • 20. Kingdom(put colon here) Animalia 05 Minutes
  • 21. Phylum(put colon here) Porifera 08 Minutes
  • 22. Phylum(put colon here) Coelenterata 06 Minutes
  • 23. Phylum(put colon here) Platyhelminthes 05 Minutes
  • 24. Phylum(put colon here) Nemathelminthes 06 Minutes
  • 25. Phylum(put comma here) Annelida 05 Minutes
  • 26. Phylum(put comma here) Arthropoda 10 Minutes
  • 27. Phylum(put comma here) Mollusca 04 Minutes
  • 28. Phylum(put comma here) Echinodermata 04 Minutes
  • 29. Phylum(put comma here) Chordata 09 Minutes
  • 30. Sub-phylum(put comma here) Vertebrata 06 Minutes
  • 31. Class(put comma here) Pisces 04 Minutes
  • 32. Class(put comma here) Amphibian 04 Minutes
  • 33. Class(put comma here) Reptilia 04 Minutes
  • 34. Class(put comma here) Aves 05 Minutes
  • 35. Class(put comma here)Mammals 10 Minutes
  • 36. Classification of Animals 17 Minutes
  • 37. Mosquito 06 Minutes
  • 38. Structure of mosquito 05 Minutes
  • 39. Difference between Male and Female 02 Minutes
  • 40. Lifecycle of a mosquito 03 Minutes
  • 41. Larva of mosquito 05 Minutes
  • 42. Papa of mosquito 03 Minutes
  • 43. Adult stage of mosquito 05 Minutes
  • 44. Disadvantage of mosquito 06 Minutes
  • 45. Control measure of mosquito 05 Minutes
  • 1. Adaptation 06 Minutes
  • 2. Aquatic adaptation 06 Minutes
  • 3. Adaptive characteristics of hydrophytes 05 Minutes
  • 4. Aquatic animals and their adaptive characteristics 08 Minutes
  • 5. Terrestrial animals 05 Minutes
  • 6. Xerophytes and their adaptational characteristics 05 Minutes
  • 7. Terrestrial animals and their adaptational characteristics 04 Minutes
  • 8. Fossorial and arboreal animals and their adaptational characteristics 04 Minutes
  • 9. Aerial and desert animals and their adaptational characteristics 06 Minutes
  • 10. Microorganisms 03 Minutes
  • 11. A. Bacterias 07 Minutes
  • 12. Types of bacterias 06 Minutes
  • 13. Advantages of bacterias 04 Minutes
  • 14. Disadvantages of bacterias and control measures of bacterial diseases 06 Minutes
  • 15. B. Fungi 05 Minutes
  • 16. Advantages of fungi 04 Minutes
  • 17. Disadvantages of fungi and control measures of fungi 05 Minutes
  • 18. C. Viruses 05 Minutes
  • 19. Characteristics of viruses 06 Minutes
  • 20. Advantages of virus 04 Minutes
  • 21. Disadvantages and control measures of virus 04 Minutes
  • 22. D. Protozoans 05 Minutes
  • 23. Control measures of protozoans 02 Minutes
  • 1. Plant tissue 05 Minutes
  • 2. Lateral meristem and intercalary meristem 04 Minutes
  • 3. Permanent tissue 05 Minutes
  • 4. Collenchyma and sclerenchyma 05 Minutes
  • 5. Complex permanent tissues 05 Minutes
  • 6. Special permanent tissues 05 Minutes
  • 7. Human skeleton system 06 Minutes
  • 8. Structure of a bone 05 Minutes
  • 9. Types of skeleton 11 Minutes
  • 10. Axial skeleton (Cranium and facial bones) 10 Minutes
  • 11. Cranium and facial bones demonstration 11 Minutes
  • 12. Ear Ossicles 05 Minutes
  • 13. Bones of trunk (Thoracic bones and Vertebral bones) 08 Minutes
  • 14. Appendicular skeleton (Bones of upper extremity) 07 Minutes
  • 15. Bones of lower extremity 07 Minutes
  • 16. Functions of skeleton system 04 Minutes
  • 17. Digestive system 04 Minutes
  • 18. Digestion in human body 06 Minutes
  • 19. Digestion in duodenum and small intestine 06 Minutes
  • 20. Summary of digestivive system 05 Minutes
  • 21. Importance of digestive system 02 Minutes
  • 22. Respiratory system 04 Minutes
  • 23. Different organs involved in respiration 05 Minutes
  • 24. Lungs and diaphragm 06 Minutes
  • 25. The process of respiration 02 Minutes
  • 26. Importance of respiratory system 03 Minutes
  • 27. Urinary system 02 Minutes
  • 28. Organs involved in urinary system 04 Minutes
  • 29. Importance of excretory system 02 Minutes
  • 1. Sense organs 02 Minutes
  • 2. The eye 08 Minutes
  • 3. Middle layer of an eye 09 Minutes
  • 4. Inner layer of an eye 04 Minutes
  • 5. Lens 03 Minutes
  • 6. Working of the human eye 04 Minutes
  • 7. Care and protection of eye 03 Minutes
  • 8. Ear (Outer ear) 05 Minutes
  • 9. Middle ear 04 Minutes
  • 10. Inner ear 04 Minutes
  • 11. Working mechanism of the ears 03 Minutes
  • 12. Care and protection of ears 04 Minutes
  • 13. Tongue 06 Minutes
  • 14. Care and protection of the tongue 02 Minutes
  • 15. The skin 06 Minutes
  • 16. Care and protection of the skin 02 Minutes
  • 17. Nose 04 Minutes
  • 18. Care and protection of the nose 03 Minutes
  • 1. Evolution 09 Minutes
  • 2. Organic evolution 02 Minutes
  • 3. Evidence from fossils or paleontological evidence 06 Minutes
  • 4. Evidence from comparative morphology and anatomy 09 Minutes
  • 5. Evidence from embryo or embryological evidence 04 Minutes
  • 6. Evidence from geographical distribution of organanisms 03 Minutes
  • 7. Evidence from brodge animals(Connecting animals) 05 Minutes
  • 8. Theories of evolution 03 Minutes
  • 9. Use and disuse or organs and inheritance or acquired characters 07 Minutes
  • 10. Criticism of Lamarkism 03 Minutes
  • 11. Darwin's theory or Darwinism 06 Minutes
  • 12. Variation and heredity and Natural selection 05 Minutes
  • 13. Origin of species or speciation 06 Minutes
  • 14. Criticism of Darwinism 06 Minutes
  • 15. A comparison of Lamarkism and Darwinism 05 Minutes
  • 1. Introduction 02 Minutes
  • 2. Components of the ecosystem 02 Minutes
  • 3. Biotic components 03 Minutes
  • 4. Consumers 03 Minutes
  • 5. Decomposers 04 Minutes
  • 6. Trophic levels 04 Minutes
  • 7. Food chain 03 Minutes
  • 8. Food web 03 Minutes
  • 9. Interrelationship between plants and animals and autotrophs 04 Minutes
  • 10. Heterotrophs and different modes of nutrition 07 Minutes
  • 11. Ecosystem and Pond ecosystem 07 Minutes
  • 12. Land ecosystem 06 Minutes
  • 13. Ecosystem services 03 Minutes
  • 14. Regulating services, Cultural services and Supporting services 06 Minutes
  • 15. Basic requirements of human beings and Adverse impacts of climate change on ecosystem 05 Minutes
  • 1. Natural Disasters 02 Minutes
  • 2. Hazards and disasters 02 Minutes
  • 3. Management of natural disasters and management of anthropogenic disasters 07 Minutes
  • 4. Distance management cycle 05 Minutes
  • 5. Avalanche 05 Minutes
  • 6. Preventive measures of avalanche 03 Minutes
  • 7. Glacial Lake Outburst Flood(GLOF) 04 Minutes
  • 8. Effects of GLOF and preventive measures of GLOF 04 Minutes
  • 9. Hurricanes 04 Minutes
  • 10. Causes of hurricanes 04 Minutes
  • 11. Effects of hurricanes 03 Minutes
  • 12. Preventive measures against a hurricane 04 Minutes
  • 1. Greenhouse 04 Minutes
  • 2. Advantages and disadvantages of greenhouse effect 04 Minutes
  • 3. Artificial greenhouse 02 Minutes
  • 4. Importance of artificial greenhouse 02 Minutes
  • 5. Climate change 03 Minutes
  • 6. Causes of climate change 05 Minutes
  • 7. Effects of climate change 06 Minutes
  • 8. Measures of management of climate change 06 Minutes
  • 1. Astronomical unit and Light year 07 Minutes
  • 2. Parsec 05 Minutes
  • 3. Solar system 08 Minutes
  • 4. Interrelation among the Sun, the Earth and the Moon 06 Minutes
  • 5. Diurnal motion of the Earth 07 Minutes
  • 6. Annual motion of the Earth 04 Minutes
  • 7. Phases of Moon 06 Minutes
  • 8. Sidereal and Synodic month 07 Minutes
  • 9. Eclipse 05 Minutes
  • 10. Umbra and Penumbra 07 Minutes
  • 11. Solar eclipse 04 Minutes
  • 12. Lunar eclipse 06 Minutes
  • 13. The Lunar nodes 05 Minutes
  • Requirements
    • Students are required to have sound knowledge of Class 8 Science, based on CDC curriculum.
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    Description

    The videos contained herein are strictly based on the Nepal CDC curriculum, promoting "e-Learning for Nepal", and are made with intention to provide guidance to the class 9 students". The course tries to cover up all the theories, necessary formula, basic chemical reactions, biological knowledge and geological & astronomical content of Compulsory Science for class 9, along with solution of hard numerical problems. We strongly believe that, viewers will be benefited from these videos. Feedbacks and suggestion to improve are always welcome and highly appreciated

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