3 Lectures
1.1 Nutrition - Introduction
What is nutrition? Modes of nutrition? What is autotrophic nutrition? Watch Now! 9:06
1.2 Other Modes of Nutrition in Plants
What is Heterophic nutrition? What are saprotrophs? What is symbiosis? How nutrients are replenished in the soil? Watch Now! 11:02
1.3 Nutrition in Plants - FAQs Watch Now! 5:03
3 Lectures
2.1 Nutrition in Animals (Part 1)
What do we mean by holozoic nutrition? What are the processes involved in this system? What is the human digestive system? How does it work? Watch Now! 17:36
2.2 Nutrition in Animals (Part 2)
Digestion system in grass-eating animals? Feeding and digestion system in amoeba? Watch Now! 9:27
2.3 Nutrition in Animals - FAQs Watch Now! 8:10
3 Lectures
3.1 Fibre to Fabric - Introduction
What do we mean by fiber and fabric? What are the types of fiber and from where it is obtained? What is the meaning of silk? Lifecycle of silkworm? How raw silk obtained? What is the process? Types of silk? Properties of silk? Uses of silk? Health hazards in the silk industry? Watch Now! 19:59
3.2 Wool
What do we mean by wool and from where it is obtained? How wool obtained? Processing of wool? Quality of wool? Uses of wool? Properties of wool? Watch Now! 12:58
3.3 Fibre to Fabric - FAQs Watch Now! 5:35
5 Lectures
4.1 Heat - Introduction
What is heat? Activity related to heat? What is measuring temperature? Scales to measure temperature? Watch Now! 8:52
4.2 Effects of Heat Watch Now! 6:12
4.3 Flow of Heat
Activity related to flow of heat? What are conductors and insulators? Watch Now! 7:17
4.4 Activity Related to Heat
What is convection? What is sea breeze and land breeze? What is radiation? Watch Now! 11:43
4.5 Heat - FAQs Watch Now! 6:18
4 Lectures
5.1 Testing for Acidic and Basic Substance Indicator
How we can differentiate acids, bases, and salts? Examples of indicators?What is litmus? Phenolphthalein? Turmeric juice? China rose juice? Red cabbage juice? Watch Now! 9:32
5.2 Acids and their Behaviour
What do we mean by acids? What are concentrated and dilute acids? General behavior of acidic substances? What are the uses of acids? Watch Now! 13:52
5.3 General Behaviour of Basis Substances
What is basis? Examples of basis? What are alkalies? Uses of bases? What is a neutralization reaction? Watch Now! 8:45
5.4 Acids, Bases and Salts - FAQs Watch Now! 7:58
4 Lectures
6.1 Physical and Chemical Changes - Introduction
What do we mean by physical and chemical changes? How did changes happen in different states (solid, liquid, gas)? Watch Now! 7:34
6.2 Chemical Changes
What are chemical changes? Different examples of chemical changes? Watch Now! 7;21
6.3 Physical and Chemical Changes Can Take Place Together
Example of physical and chemical change together? Difference between physical and chemical changes? Displacement of copper from copper sulfate by iron? Watch Now! 9:09
6.4 Physical and Chemical Changes - Frequently Asked Questions Watch Now! 7:40
3 Lectures
7.1 Weather and Climate
What is weather? Maximum and minimum temperatures of weather? What is climate? What is the difference between weather and climate? Watch Now! 11:27
7.2 Adaptations of Animals to Climate
How various animals grow and survive in different climates? Polar region? The tropical rainforest? Watch Now! 15:42
7.3 Weather, Climate and Adaptations of Animals to Climate - FAQs Watch Now! 5:50
3 Lectures
8.1 Activities Related to Winds, Storms and Cyclones
Watch Now! 14:05
8.2 Thunderstorms
What are thunderstorms? How do thunderstorms happen? What are cyclones? What are effective safety measures? Watch Now! 14:50
8.3 Winds, Storms and Cyclones - FAQs Watch Now! 6:10
5 Lectures
9.1 Soil Profile
What do we mean by soil? Formation of soli? Soil profile? Watch Now! 9:28
9.2 Composition of Soil
How soil is formed? What do we mean by humus and what is the importance of humus? What is soil air? What is sandy soil? Clayey soil? Loamy soil? Properties of soil? Watch Now! 15:09
9.3 Soil Erosion
What is soil erosion? Causes of soil erosion? Prevention of soil erosion? What is soil pollution? Watch Now! 12:31
9.4 Soil Pollution - Introduction
How can we control soil pollution? Watch Now! 6:51
9.5 Soil - FAQs Watch Now! 6:20
3 Lectures
10.1 Respiration - Introduction
What is respiration? Types of respiration? Process of respiration? The respiratory organs of some organisms? Activities related to respiration? Watch Now! 16:07
10.2 Respiration In Plants And Animals
Respiration in man? How we breathe? Respiration in plants? Watch Now! 20:40
10.3 Respiration in Plants and Animals - FAQs Watch Now! 7:06
4 Lectures
11.1 Transportation in Plants
How transportation of substances happen in plants? Activity related to transportation in plants? What is transpiration? Watch Now! 8:32
11.2 Excretion
What do we mean by the removal of waste from body? What is the urinary system? How does it work? Watch Now! 8:40
11.3 Transportation in Animal
What is the circulatory system? How does it work? Different parts of circulatory system? Watch Now! 13:43
11.4 Transportation in Animals and Plants - FAQs Watch Now! 6:18
4 Lectures
12.1 Reproduction in Plants - Introduction
What is reproduction? Modes of reproduction? Activities related to reproduction? Watch Now! 7:11
12.2 Asexual Reproduction
What is budding? What is fragmentation? Spore formation? Watch Now! 9:12
12.3 Sexual Reproduction
What is sexual reproduction? Activity related to sexual reproduction? What is pollination? What is fertilization? Seed dispersal? Watch Now! 22:04
12.4 Reproduction in Plants - FAQs Watch Now! 9:23
3 Lectures
13.1 Motion and Time
How we can measure time? S.I. unit of time? What is the meaning of pendulum clock? How did it work? What is measuring time interval? What are motion and speed? Watch Now! 13:52
13.2 Motion and Time - Numerical & Graph Watch Now! 16:21
13.23 Motion and Time - FAQs Watch Now! 13:41
4 Lectures
14.1 Electric Circuit
What is electricity? What is electric circuit? Circuit diagram? What is resistance? Activity related to electricity? Watch Now! 12:10
14.2 Magnetic Effect of Electric Current
What is overload? What fuse? Heating effect of current? Watch Now! 9:29
14.3 Electric Current and Its Effects
What is electric current? Effects of electric current? What is electromagnets? Use of electromagnets? What is electric bell? Watch Now! 14:23
14.4 Electricity - FAQs Watch Now! 9:47
4 Lectures
15.1 Reflection by Plane Mirror
What is light? Activity related to light? How do light travels? Rectilinear propagation of light? What is plane mirror? How light reflects from plane mirror? Watch Now! 17:38
15.2 Spherical Mirror
What is spherical mirror? Types of spherical mirror? How images formed in spherical mirror? Uses of spherical mirrors? What is lens? How images formed by lens? Activity related to lens? Watch Now! 17:27
15.3 Colors Of Light
What do we mean by colors of light? Activities related to colors of light? Watch Now! 6:53
15.4 Light - FAQs Watch Now! 8:42
4 Lectures
16.1 Different Sources of Water
What is the importance of water? What are the different sources of water? Watch Now! 11:40
16.2 Scarcity of Water
What do we mean by scarcity of water? What are the causes of scarcity of water? Watch Now! 9:04
16.3 How to Conserve Water
Why do we need to conserve water? What are the various ways to conserve water? Watch Now! 8:39
16.4 Water: A Precious Resource - FAQs Watch Now! 6:45
4 Lectures
17.1 Environmental Balance
What do we mean by forest products? What is environmental balance? Watch Now! 9:00
17.2 A Natural Habitat
What is natural habitat? What is food chain? Watch Now! 11:27
17.3 Importance of Forests
What are decomposers? What is the importance of forests? What is deforestation? Consequences of deforestation? Watch Now! 11:52
17.4 Forests Our Lifeline - FAQs Watch Now! 7:31
4 Lectures
18.1 Wastewater Story - Introduction
How can we control the waste of water? What is sewage? Watch Now! 8:06
18.2 Wastewater Treatment Plant (WWTP)
What is WWTP? How WWTP help to protect wastewater? Watch Now! 10:58
18.3 Become an Active Citizen
What are the roles of citizens in treatment of water? Watch Now! 13:50
18.4 Wastewater Story - FAQs Watch Now! 7:23
