CBSE 8 Science

01 Crop Production and Management
7 Topics | 8 Quizzes
01 Agricultural Practices and Cropping Pattern
1.01 Agricultural Practices and Cropping Pattern
02 Preparation of Soil
1.02 Preparation of Soil
03 Sowing
1.03 Sowing
04 Adding Manure and Fertilisers
1.04 Adding Manure and Fertilisers
05 Irrigation
1.05 Irrigation
06 Protection from Weeds and Harvesting
1.06 Protection from Weeds and Harvesting
07 Storage and Food From Animals
1.07 Storage of Foodgrains and Food From Animals
Chapter 1 Crop Production and Management – Test
02 Microorganisms Friend and Foe
5 Topics | 6 Quizzes
Microorganisms: Classification and Habitat
2.01 Microorganisms: Classification and Habitat
02 Friendly Microorganisms
2.02 Friendly Microorganisms
03 Harmful Microorganisms
2.03 Harmful Microorganisms
04 Food Preservation and Food Poisoning
2.04 Food Preservation and Food Poisoning
05 Nitrogen Fixation and Nitrogen Cycle
2.05 Nitrogen Fixation and Nitrogen Cycle
Chapter 2 Microorganisms Friend and Foe – Test
03 Synthetic Fibres and Plastics
5 Topics | 6 Quizzes
01 Synthetic Fibres and their properties
3.01 Synthetic fibres and their properties
02 Types of Synthetic Fibres
3.02 Types of Synthetic Fibres
Plastics
3.03 Plastics
Useful Properties of Plastics
3.04 Useful Properties of Plastics
Plastic and the Environment
3.05 Plastic and the Environment
Chapter 3 Synthetic Fibres and Plastics – Test
04 Materials: Metals and Non-Metals
4 Topics | 5 Quizzes
Physical Properties of Metals and Nonmetals
4.01 Physical Properties of Metals and Nonmetals
Chemical Properties of Metals and nonmetals: Reaction with Oxygen and Water
4.02 Chemical Properties of Metals and Nonmetals: Reaction with Oxygen and Water
Chemical Properties of Metals and Nonmetals: Reaction with Acids and Bases, and Displacement Reaction
4.03 Chemical Properties of Metals and Nonmetals: Reaction with Acids and Bases, and Displacement Reaction
Uses of Metals and Nonmetals
4.04 Uses of Metals and Nonmetals
Chapter 4 Materials: Metals and Nonmetals – Test
05 Coal and Petroleum
5 Topics | 6 Quizzes
01 Natural and Manmade Resources
5.01 Natural and Manmade Resources
02 Coal
5.02 Coal
03 Petroleum
5.03 Petroleum
04 Natural Gas
5.04 Natural Gas
05 Limitations of Natural Resources
5.05 Limitations of Natural Resources
Chapter 5 Coal and Petroleum – Test
6 Combustion and Flame
5 Topics | 6 Quizzes
01 Combustion: Concept and Conditions
6.01 Combustion: Concept and Conditions
02 Types of Combustion Reaction, Ignition Temperature and Fire Control
6.02 Types of Combustion Reaction, Ignition Temperature and Fire Control
03 Flame
6.03 Flame
04 Fuel
6.04 Fuel
05 Harmful Effects of Burning Fuels
6.05 Harmful Effects of Burning Fuels
Chapter 6 Combustion and Flame – Test
06 Conservation of Plants and Animals
5 Topics | 6 Quizzes
01 Deforestation
7.01 Deforestation
02 Flora and Fauna
7.02 Flora and Fauna
03 Conservation of Forest and Wildlife: Wildlife Sanctuary and Biosphere Reserve
7.03 Conservation of Forest and Wildlife: Wildlife Sanctuary and Biosphere Reserve
04 Conservation of Forest and Wildlife: National Park
7.04 Conservation of Forest and Wildlife: National Park
05 Recycling of Paper and Reforestation
7.05 Recycling of Paper and Reforestation
Chapter 7 Conservation of Plants and Animals – Test
11 Cell and Structure and Functions
4 Topics | 5 Quizzes
01 Introduction to cell
8.01 Introduction to cell
02 Variety in Cell Number, Shape and Size
8.02 Variety in Cell Number, Shape and Size
Structure, Function and Parts of Cell: Basic Components
8.03 Structure, Function and Parts of Cell: Basic Components
Structure, Function and Parts of Cell: Other Components and Comparison of Plant and Animal cells
8.04 Structure, Function and Parts of Cell: Other Components and Comparison of Plant and Animal cells
Chapter 8 Cell – Structure and Functions – Test
12 Reproduction in Animals
5 Topics | 6 Quizzes
01 Modes of Reproduction
9.01 Modes of Reproduction
02 Sexual Reproduction: Reproductive System
9.02 Sexual Reproduction: Reproductive System
03 Sexual Reproduction: Fertilization
9.03 Sexual Reproduction: Fertilization
04 Development of Embryo
9.04 Development of Embryo
05 Asexual Reproduction
9.05 Asexual Reproduction
Chapter 9 Reproduction in Animals – Test
13 Reaching the Age of Adolescence
5 Topics | 6 Quizzes
01 Adolescence, Puberty and Reproductive Phase of Life
10.01 Adolescence, Puberty and Reproductive Phase of Life
02 Changes at Puberty
10.02 Changes at Puberty
03 Role of Hormones in Organisms
10.03 Role of Hormones in Organisms
04 Sex Determination
10.04 Sex Determination
05 Reproductive Health
10.05 Reproductive Health
Chapter 10 Reaching The Age Of Adolescence – Test
07 Force and Pressure
7 Topics | 8 Quizzes
01 Force – A Push or Pull
11.01 Force – A Push or Pull
02 Effects of Force on Objects
11.02 Effects of Force on Objects
Contact Forces
11.03 Contact Forces
Non-Contact forces
11.04 Non-Contact forces
Pressure
11.05 Pressure
Pressure exerted by Liquids
11.06 Pressure exerted by Liquids
Pressure exerted by Gases and Atmospheric Pressure
11.07 Pressure exerted by Gases and Atmospheric Pressure
Chapter 11 Force and Pressure – Test
08 Friction
4 Topics | 5 Quizzes
01 Friction Force and its Dependency
12.01 Friction Force and its Dependency
02 Friction: a Necessary Evil
12.02 Friction: a Necessary Evil
03 Increasing and Decreasing the Friction
12.03 Increasing And Decreasing The Friction
04 Fluid Friction
12.04 Fluid Friction
Chapter 12 Friction – Test
09 Sound
5 Topics | 6 Quizzes
Sound Production
13.01 Sound Production
Propagation of Sound
13.02 Propagation of Sound
03 Ear
13.03 Structure of Human Ear
04 Amplitude, Time Period And Frequency of Vibration
13.04 Amplitude, Time Period And Frequency of Vibration
05 Noise and Music
13.05 Noise and Music
Chapter 13 Sound – Test
14 Chemical Effects of Electric Current
4 Topics | 5 Quizzes
01 Do Liquids Conduct Electricity?
14.01 Do Liquids Conduct Electricity?
02 Chemical Effect of Electric Current
14.02 Chemical Effect of Electric Current
03 Electroplating
14.03 Electroplating
04 Uses of Electroplating
14.04 Uses of Electroplating
Chapter 14 Chemical Effects of Electric Current – Test
15 Some Natural Phenomena
5 Topics | 6 Quizzes
01 Electric Charge: Nature, Types and Transfer
15.01 Electric Charge: Nature, Types and Transfer
02 Lightning: What is lightning
15.02 Lightning: What is it?
03 Lightning: Safety Measures
15.03 Lightning: Safety Measures
Earthquakes
15.04 Earthquakes
Protection against Earthquakes
15.05 Protection against Earthquakes
Chapter 15 Some Natural Phenomena – Test
16 Light
6 Topics | 7 Quizzes
01 Light: Laws of Reflection
16.01 Light: Laws of Reflection
02 Image formation by Plane Mirror
16.02 Image formation by Plane Mirror
03 Multiple Images, Kaleidoscope and Dispersion
16.03 Multiple Images, Kaleidoscope and Dispersion
04 Human Eye
16.04 Human Eye
05 Care of Eyes
16.05 Care of Eyes
06 Can a Visually Challenged Persons Read and Write?
16.06 Can a Visually Challenged Persons Read and Write?
Chapter 16 Light – Test
17 Stars and the Solar System
7 Topics
01 The Night Sky and the Moon
02 The Stars
03 Constellations
04 The Structure of Solar System
05 Planets in the Solar System
06 Other Members of Solar System
07 Artificial Satellites
18 Pollution of Air and Water
9 Topics | 4 Quizzes
Air Pollution: The pollutants
Acid Rain
Global Warming and Greenhouse Effect
04 The Oxygen cycle and The Ozone Layer
Ways to Reduce Air Pollution
Water Pollution
Sources of Water Pollution
18.07 Sources of Water Pollution
08 Pollution of Ganga River: A Case Study
18.08 Pollution of Ganga River: A Case Study
09 Purification of water and ways to reduce water pollution
18.09 Purification of water and ways to reduce water pollution
Chapter 18 Pollution of Air and Water – Test

7.04 Conservation of Forest and Wildlife: National Park

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7.04 Conservation of Forest and Wildlife: National Park

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