Class 7th Science – Video Tutorials In Hindi

Naveen Kolhe

89 Lectures / 45 Days / Video Tutorials

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Free video tutorials for class 7th science students given by the expert. Get hand-written notes covering all chapters for scoring better marks

What you'll learn:

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Chapter 1 - Nutrition in Plants 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

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?
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

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?
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

Chapter 4 - Heat 5 Lectures

4.1 Hot and cold
4.2 Measuring temperature
4.3 Laboratory thermometer
4.4 Transfer of heat
4.5 Kinds of clothes we wear in summer and winter

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?
  - 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

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)?
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

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?
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

Chapter 8 - Winds, Storms and Cyclones 8 Lectures

8.1 Air exerts pressure
8.2 High-speed winds
8.3 Air expands on heating
8.4 Wind currents are generated
8.5 Thunderstorms and cyclones
3 More Lessons

Chapter 9 - Soil 2 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

Chapter 10 - Respiration in Organisms 7 Lectures

10.1 Why do we respire?
10.2 Breathing
10.3 How do we breathe?
10.4 What do we breathe out?
10.5 Breathing in other animals
2 More Lessons

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?
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

Chapter 12 - Reproduction in Plants 4 Lectures

12.1 Modes of reproduction
12.2 Sexual reproduction
12.3 Fruits and seed formation
12.4 Seed dispersal

Chapter 13 - Motion and Time 2 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

Chapter 14 - Electric Current and its Effects 5 Lectures

14.1 Symbols of electric components
14.2 Heating effect of electric current
14.3 Magnetic effect of electric current
14.4 Electromagnet
14.5 Electric bell

Chapter 15 - Light 6 Lectures

15.1 Light travels along a straight line
15.2 Reflection of light
15.3 Right or left!
15.4 Playing with spherical mirrors
15.5 Images formed by lenses
1 More Lessons

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?
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

Chapter 17 - Forests: Our Lifeline 1 Lectures

17.1 Visit to a forest

Chapter 18 - Wastewater Story 8 Lectures

18.1 Water, our lifeline
18.2 What is sewage?
18.3 Water freshens up — an eventful journey
18.4 Wastewater treatment plant (WWTP)
18.5 Better housekeeping practices
3 More Lessons

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Well-explained video tutorials for class 7th aspirants. In these free tutorials, students get a brief explanation of the topics of the chapter. Also, this tutorial module provides hand-written notes which help them to revise the topics.