In this course, students get free video tutorials of class 7th Science in Hindi. Students gain complete knowledge about Science and thus they will be able to achieve great marks in their regular evaluations, tests, and exams.
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Last Updated 19/01/2021
Concept of weather & climate
Basics of electric current
Know the value of Water
Integration of forest in life
Watch Chapter-wise Videos
Chapter 1 - Nutrition in Plants 3 Lectures
1.1 Nutrition - Introduction
What is nutrition?
Modes of nutrition?
What is autotrophic nutrition?
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?
1.3 Nutrition in Plants - FAQs
Chapter 2 - Nutrition in Animals 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?
2.2 Nutrition in Animals (Part 2)
Digestion system in grass-eating animals?
Feeding and digestion system in amoeba?
2.3 Nutrition in Animals - FAQs
Chapter 3 - Fibre to Fabric 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?
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?
3.3 Fibre to Fabric - FAQs
Chapter 4 - Heat 5 Lectures
4.1 Heat - Introduction
What is heat?
Activity related to heat?
What is measuring temperature?
Scales to measure temperature?
4.2 Effects of Heat
4.3 Flow of Heat
Activity related to flow of heat?
What are conductors and insulators?
4.4 Activity Related to Heat
What is convection?
What is sea breeze and land breeze?
What is radiation?
4.5 Heat - FAQs
Chapter 5 - Acids, Bases and Salts 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?
China rose juice?
Red cabbage juice?
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?
5.3 General Behaviour of Basis Substances
What is basis?
Examples of basis?
What are alkalies?
Uses of bases?
What is a neutralization reaction?
5.4 Acids, Bases and Salts - FAQs
Chapter 6 - Physical and Chemical Changes 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)?
6.2 Chemical Changes
What are chemical changes?
Different examples of chemical changes?
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?
6.4 Physical and Chemical Changes - Frequently Asked Questions
Chapter 7 - Weather, Climate and Adaptations of Animals to Climate 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?
7.2 Adaptations of Animals to Climate
How various animals grow and survive in different climates?
The tropical rainforest?
7.3 Weather, Climate and Adaptations of Animals to Climate - FAQs
Chapter 8 - Winds, Storms and Cyclones 3 Lectures
8.1 Activities Related to Winds, Storms and Cyclones
How wind flows on Earth?
What are thunderstorms?
How do thunderstorms happen?
What are cyclones?
What are effective safety measures?
8.3 Winds, Storms and Cyclones - FAQs
Chapter 9 - Soil 5 Lectures
9.1 Soil Profile
What do we mean by soil?
Formation of soli?
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?
Properties of soil?
9.3 Soil Erosion
What is soil erosion?
Causes of soil erosion?
Prevention of soil erosion?
What is soil pollution?
9.4 Soil Pollution - Introduction
How can we control soil pollution?
9.5 Soil - FAQs
Chapter 10 - Respiration in Plants and Animals 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?
10.2 Respiration In Plants And Animals
Respiration in man?
How we breathe?
Respiration in plants?
10.3 Respiration in Plants and Animals - FAQs
Chapter 11 - Transportation in Animals and Plants 4 Lectures
11.1 Transportation in Plants
How transportation of substances happen in plants?
Activity related to transportation in plants?
What is transpiration?
What do we mean by the removal of waste from body?
What is the urinary system? How does it work?
11.3 Transportation in Animal
What is the circulatory system? How does it work?
Different parts of circulatory system?
11.4 Transportation in Animals and Plants - FAQs
Chapter 12 - Reproduction in Plants 4 Lectures
12.1 Reproduction in Plants - Introduction
What is reproduction?
Modes of reproduction?
Activities related to reproduction?
12.2 Asexual Reproduction
What is budding?
What is fragmentation?
12.3 Sexual Reproduction
What is sexual reproduction?
Activity related to sexual reproduction?
What is pollination?
What is fertilization?
12.4 Reproduction in Plants - FAQs
Chapter 13 - Motion and Time 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?
13.2 Motion and Time - Numerical & Graph
13.23 Motion and Time - FAQs
Chapter 14 - Electricity 4 Lectures
14.1 Electric Circuit
What is electricity?
What is electric circuit?
What is resistance?
Activity related to electricity?
14.2 Magnetic Effect of Electric Current
What is overload?
Heating effect of current?
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?
14.4 Electricity - FAQs
Chapter 15 - Light 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?
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?
15.3 Colors Of Light
What do we mean by colors of light?
Activities related to colors of light?
15.4 Light - FAQs
Chapter 16 - Water: A Precious Resource 4 Lectures
16.1 Different Sources of Water
What is the importance of water?
What are the different sources of water?
16.2 Scarcity of Water
What do we mean by scarcity of water?
What are the causes of scarcity of water?
16.3 How to Conserve Water
Why do we need to conserve water?
What are the various ways to conserve water?
16.4 Water: A Precious Resource - FAQs
Chapter 17 - Forests Our Lifeline 4 Lectures
17.1 Environmental Balance
What do we mean by forest products?
What is environmental balance?
17.2 A Natural Habitat
What is natural habitat?
What is food chain?
17.3 Importance of Forests
What are decomposers?
What is the importance of forests?
What is deforestation?
Consequences of deforestation?
17.4 Forests Our Lifeline - FAQs
Chapter 18 - Wastewater Story 4 Lectures
18.1 Wastewater Story - Introduction
How can we control the waste of water?
What is sewage?
18.2 Wastewater Treatment Plant (WWTP)
What is WWTP?
How WWTP help to protect wastewater?
18.3 Become an Active Citizen
What are the roles of citizens in treatment of water?