0. Introduction To Science
1 Lessons
5m
Specification grid
5 Minutes
Free
Chapter-1 Measurement
7 Lessons
58m
1. Measurement
4 Minutes
Free
2. Physical Quantities (fundamental and derived)
8 Minutes
Free
3. Units
6 Minutes
Free
4. Characteristics of Units
8 Minutes
Free
5. Standard system of units and advantages of S.I. unit
11 Minutes
Free
6.Fundamental units and derived unit
16 Minutes
Free
7. Example 1 of units
2 Minutes
Free
Chapter-2 Force
29 Lessons
3h 51m
1. Force
3 Minutes
2. Effects of Force
8 Minutes
3. Balanced and Unbalanced forces
6 Minutes
4. Distance travelled and displacement
10 Minutes
5. Speed
6 Minutes
6. Velocity
4 Minutes
7. Uniform and non-uniform Velocity
4 Minutes
8. Average velocity
4 Minutes
9. Acceleration
10 Minutes
10. Use of graphs in physics
18 Minutes
11. Equation of motion (first equation)
9 Minutes
12. Equation of motion(Second equation)
8 Minutes
13. Equation of motion(Third equation)
9 Minutes
14. Equation of motion(Fourth equation)
10 Minutes
15. Application of equations of motion
15 Minutes
16. Problem 1
3 Minutes
17. Problem 2
3 Minutes
18. Problem 3 (How high can you throw (put question mark here))
6 Minutes
19. Problem 4 Will the train collide(put question mark here)
11 Minutes
20. Inertia
7 Minutes
21. Momentum
5 Minutes
22. Newton's Law of motion(First Law)
4 Minutes
23. Examples of Newton's first law
6 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
5 Minutes
27. Problem 2-How airbags work(put question mark here)
10 Minutes
28. Newton's third law of motion
6 Minutes
29. Examples of third law of motion
6 Minutes
Chapter-3 Simple Machine
23 Lessons
2h 29m
1. Simple machines
3 Minutes
2. Advantages of simple machines
2 Minutes
3. Mechanical Advantage
2 Minutes
4. Velocity Ratio
5 Minutes
5. Efficiency
7 Minutes
6. Ways to increase efficiency of a machine
3 Minutes
7.Relationship between MA, VR and efficiency
5 Minutes
8.Principles of simple machines
5 Minutes
9.Lever
5 Minutes
10.Problem 1 (MA, VR and η of a lever)
12 Minutes
11.Pulley
7 Minutes
12.Problem 1 (MA, VR and η of a pulley)
8 Minutes
13.Inclined plane
4 Minutes
14.Problem 1 (MA, VR and η of a inclined plane)
3 Minutes
15.Wheel and axle
6 Minutes
16.Problem 1 (Ma, VR and η of a wheel and axle)
5 Minutes
17.Wheel and axle as a continuous lever
3 Minutes
18.Screw and wedge wala video
6 Minutes
19.Moment of force
8 Minutes
20.Mathematical description of moment of force
18 Minutes
21.Law of moment
6 Minutes
22.Problem 1 (Law of moment)
9 Minutes
23.Problem 2 (Law of moment)
6 Minutes
Chapter-4 Work
23 Lessons
2h 19m
1. Work
13 Minutes
2. Definition of one joule work
4 Minutes
3. Work against friction
5 Minutes
4. Example 1 (Work done against friction)
4 Minutes
5. work against gravity
4 Minutes
6. Problem 1
5 Minutes
7. Energy
10 Minutes
8. Mechanical energy
9 Minutes
9. Example 1(Kinetic energy)
3 Minutes
10. Problem 2(Kinetic energy)
8 Minutes
11. Potential energy
7 Minutes
12. Example 1(Potential energy)
6 Minutes
13. Electrical energy
5 Minutes
14. Heat energy
6 Minutes
15. Light energy
2 Minutes
16. Sound energy
4 Minutes
17. Magnetic energy
3 Minutes
18. Chemical energy
3 Minutes
19. Nuclear energy
5 Minutes
20. Relation between work and energy
7 Minutes
21. Power
5 Minutes
22. What is one watt power ?
5 Minutes
23. Example 1(Power)
4 Minutes
Chapter-5 Sound
23 Lessons
2h 15m
1. Introduction to sound
4 Minutes
2. Properties of sound wave
5 Minutes
3. Sound wave
8 Minutes
4. Wave motion and some terms related to wave motion
14 Minutes
5. Relationship between time period and frequency
4 Minutes
6. Problem 1 (Wave motion)
2 Minutes
7. Problem 2 (Wave motion)
3 Minutes
8. Problem 3 (Wave motion)
7 Minutes
9. Speed of sound in different media at 0 degree C
6 Minutes
10. Factors effecting speed of sound in a gas medium
7 Minutes
11. Problem 1 (Factors effecting speed of sound)
4 Minutes
12. Audibility
8 Minutes
13. Applications of ultrasound
4 Minutes
14. Characteristics of notes(Pitch)
7 Minutes
15. Characteristics of notes(Intensity of sound)
10 Minutes
16. Average intensity level
5 Minutes
17. Factors effecting intensity of sound
3 Minutes
18. Characteristics of notes(Quality)
3 Minutes
19. Reflection of sound
2 Minutes
20. Echo
6 Minutes
21. Reverberation
4 Minutes
22. Refraction of sound
7 Minutes
23. Noise and music
2 Minutes
Chapter-6 Light
22 Lessons
2h 52m
1. Light energy
4 Minutes
2. Refraction of light
5 Minutes
3. Optical medium
10 Minutes
4. Laws of refraction of light(First law)
4 Minutes
5. Laws of refraction of light(Second law)
7 Minutes
6. Problem 1 (Refraction of light)
3 Minutes
7. Problem 2 (Refraction of light)
5 Minutes
8. Examples of refraction of light
13 Minutes
9. Why does path of light bend ?
12 Minutes
10. Real depth and apparent depth
4 Minutes
11. Example 1 (Real depth and apparent depth)
2 Minutes
12. Critical angle
7 Minutes
13. Example 1 (Critical angle)
5 Minutes
14. Total internal reflection
9 Minutes
15. Example 1 (Total internal reflection)
4 Minutes
16. Why diamonds shine but glass or water does not ?
7 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
6 Minutes
22. X-rays
4 Minutes
Chapter-7 Electricity and Magnetism
17 Lessons
2h 0m
1. Electrical energy
4 Minutes
2. Electric current
6 Minutes
3. Electromotive force and potential difference
8 Minutes
4. Electric resistance
6 Minutes
5. Conductors, Semi-conductors and insulators
5 Minutes
6. Factors effecting resistance in metals
6 Minutes
7. Resistance formula
8 Minutes
8. Ohm's law
9 Minutes
9. Problem 1
7 Minutes
10. Problem 2
9 Minutes
11. Problem 3
5 Minutes
12. Problem 4
9 Minutes
13. Magnet
6 Minutes
14. Properties of magnetic lines of forces
5 Minutes
15. Neutral point
5 Minutes
16. Terrestrial magnetism
7 Minutes
17. Magnetic elements of the earth's magnetic field
10 Minutes
Chapter-8 Classification of Elements
29 Lessons
3h 38m
1. Pure substance and impure substance
8 Minutes
2. Elements
8 Minutes
3. Metals, non metals and metalloids
6 Minutes
4. Compounds
5 Minutes
5. Molecule
4 Minutes
6. Atom
6 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
9 Minutes
11. Valence shell and valence electrons
3 Minutes
12. Information from valence electrons
4 Minutes
13. Valency
5 Minutes
14. Variable valency
4 Minutes
15. Radicals
5 Minutes
16. Valency of electropositive radicals
4 Minutes
17. Valency of electronegative radicals
3 Minutes
18. Ions
6 Minutes
19. Inert gases
8 Minutes
20. Duplet rule and octet rule
19 Minutes
21. Chemical bonding
5 Minutes
22. Electrovalent bond
8 Minutes
23. Example of electrovalent bond(Magnesium chloride)
4 Minutes
24. Characteristics of electrovalent bond
4 Minutes
25. Covalent bond
14 Minutes
26. Characteristics of covalent compounds
4 Minutes
27. Molecular formula of compounds and elements
4 Minutes
28. Infomation given by a molecular formula
4 Minutes
29. Steps of writing molecular formula of compounds
13 Minutes
Chapter-9 Chemical Reaction
10 Lessons
1h 12m
1. Physical change and chemical change
7 Minutes
2. Chemical reaction
6 Minutes
3. Chemical equation
8 Minutes
4. Drawbacks of skeletal chemical equation
3 Minutes
5. Writing and balancing chemical equations
17 Minutes
6. Information conveye by a balanced chamical equation
4 Minutes
7. Limitations of chemical equations
7 Minutes
8. Endothermic and exothermic reaction
6 Minutes
9. Catalyst
4 Minutes
10. Characteristics of catalyst
4 Minutes
Chapter-10 Solubility
13 Lessons
1h 7m
1. Solution
6 Minutes
2. Unsaturated and saturated solution
5 Minutes
3. Supersaturated solution
4 Minutes
4. Importance of solution
3 Minutes
5. Solubility of a substance
6 Minutes
6. Effect of heat on solubility
3 Minutes
7. Solubility curve
4 Minutes
8. Crystals
2 Minutes
9. Characteristics of crystals
2 Minutes
10. Crystallization
3 Minutes
11. Problem 1
3 Minutes
12. Problem 2
7 Minutes
13. Problem 3
12 Minutes
Chapter-11 Some Gases
26 Lessons
2h 24m
1. Atmosphere
5 Minutes
2. Hydrogen gas
5 Minutes
3. General methods of preparation for hydrogen gas
9 Minutes
4. Laboratory preparation of hydrogen gas
11 Minutes
5. manufacture of hydrogen
4 Minutes
6. Nascent hydrogen
2 Minutes
7. Physical properties of hydrogen gas
4 Minutes
8. Chemical properties of hydrogen gas
13 Minutes
9. Uses of hydrogen gas
3 Minutes
10. Oxygen
7 Minutes
11. General methods of preparation of oxygen gas
3 Minutes
12. Laboratory preparation of oxygen gas (With heat)
6 Minutes
13. Laboratory preparation of oxygen gas (Without using heat)
5 Minutes
14. Test of oxygen gas
3 Minutes
15. Manufacture of oxygen gas
2 Minutes
16. Physical properties of oxygen gas
4 Minutes
17. Chemical properties of oxygen gas
12 Minutes
18. Uses of oxygen gas
3 Minutes
19. Nitrogen
7 Minutes
20. General method of preparation of nitrogen gas
3 Minutes
21. Laboratory preparation o nitrogen gas
7 Minutes
22. Test of nitrogen gas
2 Minutes
23. Manufacture of nitrogen gas
2 Minutes
24. Physical properties of nitrogen gas
3 Minutes
25. Chemical properties of nitrogen gas
5 Minutes
26. Uses of nitrogen gas
4 Minutes
Chapter-12 Metals
12 Lessons
1h 11m
1. Metals
5 Minutes
2. General properties of metals
11 Minutes
3. Alloy
5 Minutes
4. Electron sea model of metals
7 Minutes
5. Some questions answered by electron sea model
6 Minutes
6. Chemical properties of metals
6 Minutes
7. Metalloids
3 Minutes
8. Role of metals for organisms
7 Minutes
9. Importance of zinc
4 Minutes
10. Importance of sodium and potassium
4 Minutes
11. Harmful effects pf mercury
3 Minutes
12. Harmful effects of lead
5 Minutes
Chapter-13 Carbon and its Compounds
10 Lessons
48m
1. Carbon in common materials
5 Minutes
2. Sources of carbon
5 Minutes
3. Nature of carbon
6 Minutes
4. Allotropy of carbon
7 Minutes
5. Diamond
4 Minutes
6. Uses of diamond
1 Minutes
7. Graphite
4 Minutes
8. Uses of graphite
2 Minutes
9. Chemical properties of carbon
7 Minutes
10. Organic and inorganic compounds
4 Minutes
Chapter-14 Water
14 Lessons
1h 14m
1. Sources of water
8 Minutes
2. Sources of ground water
4 Minutes
3. Physical properties of water
10 Minutes
4. Capillary action
3 Minutes
5. Chemical properties of water
8 Minutes
6. Solvent property of water
8 Minutes
7. Uses of water
3 Minutes
8. Types of water
2 Minutes
9. Why does hard water not form lather easily ?
4 Minutes
10. Types of hard water
2 Minutes
11. Temporary hardness and its removal
5 Minutes
12. Permanent hardness of water and its removal
4 Minutes
13. Permutits process
5 Minutes
14. Advantages and disadvantages of hard water
2 Minutes
Chapter-15 Chemical used in Agriculture
12 Lessons
43m
1. Fertilizers
3 Minutes
2. Organic fertilizers
4 Minutes
3. Advantages of organic fertilizers
2 Minutes
4. Disadvantages of organic fertilizers
2 Minutes
5. Inorganic fertilizers
5 Minutes
6. Phosphorus fertilizers
5 Minutes
7. Potassium fertilizers
4 Minutes
8. Types of chemical fetilizers
4 Minutes
9. Advantages of chemical fertilizers
2 Minutes
10. Disadvantages of chemical fertilizers
2 Minutes
11. Precautions while using chemical fertilizers
4 Minutes
12. Difference between organic fertilizers and inorganic fertilizers
2 Minutes
Chapter-16 Classification of Plants and Animals
45 Lessons
4h 35m
1. Classification of plants and animals
4 Minutes
2. Importance of classification
5 Minutes
3. Heirarchy of classification
8 Minutes
4. Nomenclature
6 Minutes
5. Five-kingdom system of classification
7 Minutes
6. Kingdom: Monera
4 Minutes
7. Kingdom: Protista
4 Minutes
8. Kingdom: Plantae
3 Minutes
9. Kingdom: Fungi
3 Minutes
10. Kingdom: Animalia
4 Minutes
11. Kingdom: Plantae and its divisions
3 Minutes
12. Division: Algae
5 Minutes
13. Division: Bryophyta
4 Minutes
14. Division: Tracheophyta and its sub-division Pteridophyta
8 Minutes
15. Sub-division: Gymnosperms
4 Minutes
16. Sub-division: Angiosperms
5 Minutes
17. Class: Monocotyledons
5 Minutes
18. Class: Dicotyledons
6 Minutes
19. Way of writing classification of plants
10 Minutes
20. Kingdom: Animalia
5 Minutes
21. Phylum: Porifera
8 Minutes
22. Phylum: Coelenterata
6 Minutes
23. Phylum: Platyhelminthes
5 Minutes
24. Phylum: Nemathelminthes
6 Minutes
25. Phylum: Annelida
5 Minutes
26. Phylum: Arthropoda
10 Minutes
27. Phylum: Mollusca
4 Minutes
28. Phylum: Echinodermata
4 Minutes
29. Phylum: Chordata
9 Minutes
30. Sub-phylum: Vertebrata
6 Minutes
31. Class: Pisces
4 Minutes
32. Class: Amphibian
4 Minutes
33. Class: Reptilia
4 Minutes
34. Class: Aves
5 Minutes
35. Class: Mammals
10 Minutes
36. Classification of Animals
17 Minutes
37. Mosquito
6 Minutes
38. Structure of mosquito
5 Minutes
39. Difference between Male and Female
2 Minutes
40. Lifecycle of a mosquito
3 Minutes
41. Larva of mosquito
5 Minutes
42. Papa of mosquito
3 Minutes
43. Adult stage of mosquito
5 Minutes
44. Disadvantage of mosquito
6 Minutes
45. Control measure of mosquito
5 Minutes
Chapter-17 Adaptation
23 Lessons
2h 8m
1. Adaptation
6 Minutes
2. Aquatic adaptation
6 Minutes
3. Adaptive characteristics of hydrophytes
5 Minutes
4. Aquatic animals and their adaptive characteristics
8 Minutes
5. Terrestrial animals
5 Minutes
6. Xerophytes and their adaptational characteristics
5 Minutes
7. Terrestrial animals and their adaptational characteristics
4 Minutes
8. Fossorial and arboreal animals and their adaptational characteristics
4 Minutes
9. Aerial and desert animals and their adaptational characteristics
6 Minutes
10. Microorganisms
3 Minutes
11. A. Bacterias
7 Minutes
12. Types of bacterias
6 Minutes
13. Advantages of bacterias
4 Minutes
14. Disadvantages of bacterias and control measures of bacterial diseases
6 Minutes
15. B. Fungi
5 Minutes
16. Advantages of fungi
4 Minutes
17. Disadvantages of fungi and control measures of fungi
5 Minutes
18. C. Viruses
5 Minutes
19. Characteristics of viruses
6 Minutes
20. Advantages of virus
4 Minutes
21. Disadvantages and control measures of virus
4 Minutes
22. D. Protozoans
5 Minutes
23. Control measures of protozoans
2 Minutes
Chapter-18 Plant tissue and Human system
29 Lessons
2h 47m
1. Plant tissue
5 Minutes
2. Lateral meristem and intercalary meristem
4 Minutes
3. Permanent tissue
5 Minutes
4. Collenchyma and sclerenchyma
5 Minutes
5. Complex permanent tissues
5 Minutes
6. Special permanent tissues
5 Minutes
7. Human skeleton system
6 Minutes
8. Structure of a bone
5 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
5 Minutes
13. Bones of trunk (Thoracic bones and Vertebral bones)
8 Minutes
14. Appendicular skeleton (Bones of upper extremity)
7 Minutes
15. Bones of lower extremity
7 Minutes
16. Functions of skeleton system
4 Minutes
17. Digestive system
4 Minutes
18. Digestion in human body
6 Minutes
19. Digestion in duodenum and small intestine
6 Minutes
20. Summary of digestivive system
5 Minutes
21. Importance of digestive system
2 Minutes
22. Respiratory system
4 Minutes
23. Different organs involved in respiration
5 Minutes
24. Lungs and diaphragm
6 Minutes
25. The process of respiration
2 Minutes
26. Importance of respiratory system
3 Minutes
27. Urinary system
2 Minutes
28. Organs involved in urinary system
4 Minutes
29. Importance of excretory system
2 Minutes
Chapter-19 Sense Organs
18 Lessons
1h 24m
1. Sense organs
2 Minutes
2. The eye
8 Minutes
3. Middle layer of an eye
9 Minutes
4. Inner layer of an eye
4 Minutes
5. Lens
3 Minutes
6. Working of the human eye
4 Minutes
7. Care and protection of eye
3 Minutes
8. Ear (Outer ear)
5 Minutes
9. Middle ear
4 Minutes
10. Inner ear
4 Minutes
11. Working mechanism of the ears
3 Minutes
12. Care and protection of ears
4 Minutes
13. Tongue
6 Minutes
14. Care and protection of the tongue
2 Minutes
15. The skin
6 Minutes
16. Care and protection of the skin
2 Minutes
17. Nose
4 Minutes
18. Care and protection of the nose
3 Minutes
Chapter-20 Evolution
15 Lessons
1h 24m
1. Evolution
9 Minutes
2. Organic evolution
2 Minutes
3. Evidence from fossils or paleontological evidence
6 Minutes
4. Evidence from comparative morphology and anatomy
9 Minutes
5. Evidence from embryo or embryological evidence
4 Minutes
6. Evidence from geographical distribution of organanisms
3 Minutes
7. Evidence from brodge animals(Connecting animals)
5 Minutes
8. Theories of evolution
3 Minutes
9. Use and disuse or organs and inheritance or acquired characters
7 Minutes
10. Criticism of Lamarkism
3 Minutes
11. Darwin's theory or Darwinism
6 Minutes
12. Variation and heredity and Natural selection
5 Minutes
13. Origin of species or speciation
6 Minutes
14. Criticism of Darwinism
6 Minutes
15. A comparison of Lamarkism and Darwinism
5 Minutes
Chapter-21 Nature and Environment
15 Lessons
1h 9m
1. Introduction
2 Minutes
2. Components of the ecosystem
2 Minutes
3. Biotic components
3 Minutes
4. Consumers
3 Minutes
5. Decomposers
4 Minutes
6. Trophic levels
4 Minutes
7. Food chain
3 Minutes
8. Food web
3 Minutes
9. Interrelationship between plants and animals and autotrophs
4 Minutes
10. Heterotrophs and different modes of nutrition
7 Minutes
11. Ecosystem and Pond ecosystem
7 Minutes
12. Land ecosystem
6 Minutes
13. Ecosystem services
3 Minutes
14. Regulating services, Cultural services and Supporting services
6 Minutes
15. Basic requirements of human beings and Adverse impacts of climate change on ecosystem
5 Minutes
Chapter-22 Natural Disasters
12 Lessons
51m
1. Natural Disasters
2 Minutes
2. Hazards and disasters
2 Minutes
3. Management of natural disasters and management of anthropogenic disasters
7 Minutes
4. Distance management cycle
5 Minutes
5. Avalanche
5 Minutes
6. Preventive measures of avalanche
3 Minutes
7. Glacial Lake Outburst Flood(GLOF)
4 Minutes
8. Effects of GLOF and preventive measures of GLOF
4 Minutes
9. Hurricanes
4 Minutes
10. Causes of hurricanes
4 Minutes
11. Effects of hurricanes
3 Minutes
12. Preventive measures against a hurricane
4 Minutes
Chapter-23 Green House
8 Lessons
36m
1. Greenhouse
4 Minutes
2. Advantages and disadvantages of greenhouse effect
4 Minutes
3. Artificial greenhouse
2 Minutes
4. Importance of artificial greenhouse
2 Minutes
5. Climate change
3 Minutes
6. Causes of climate change
5 Minutes
7. Effects of climate change
6 Minutes
8. Measures of management of climate change
6 Minutes
Chapter-24 The Earth in the Universe
13 Lessons
1h 24m
1. Astronomical unit and Light year
7 Minutes
2. Parsec
5 Minutes
3. Solar system
8 Minutes
4. Interrelation among the Sun, the Earth and the Moon
6 Minutes
5. Diurnal motion of the Earth
7 Minutes
6. Annual motion of the Earth
4 Minutes
7. Phases of Moon
6 Minutes
8. Sidereal and Synodic month
7 Minutes
9. Eclipse
5 Minutes
10. Umbra and Penumbra
7 Minutes
11. Solar eclipse
4 Minutes
12. Lunar eclipse
6 Minutes
13. The Lunar nodes
5 Minutes