General Science | Class 7
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- Digestive System
- Diarrhoea
- Constipation
Chapter 1 The Digestive System ( 6 videos) (Practice Test)
1.1: The Digestive System
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1.2: Digestion (Practice Test)
1.3: Common Disorders of Digestive System
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- Respiration
- Parts of Respiratory System
- Mechanism of Breathing
- Exchange of Carbon Dioxide And Oxygen
- Comparison of Respiration and Burning
- Respiratory Diseases And Their Causes
Chapter 2 Respiration and Energy from Food ( 7 videos) (Practice Test)
2.1: Breathing and Respiration (Practice Test)
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2.2: Common Diseases of Respiratory System
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- Composition of Blood
Chapter 3 The Human Transport System ( 11 videos) (Practice Test)
3.1: The Transport System in Humans
3.2: Blood
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3.3: The Heart and Blood Circulation (Practice Test)
3.4: Common Disorders of Human Transport System
3.5: Transplantation of Tissues And Organs
- Transport In Plants
- Absorption of Water Through Roots
Chapter 4 Transport in Plants ( 8 videos) (Practice Test)
4.1: Transport System in Plants
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4.2: Structure of Root, Stem And Leaf (Practice Test)
4.3: Transport of Food, Water and Gases in Plants
- Reproduction
- Parts of a Flower
- Pollination
- Pollination By Water And Wind
- Pollination By Animals
- Sexual Reproduction in Plants
- Formation of Seed And Fruit
- Structure of Seed
Chapter 5 Reproduction in Plants ( 10 videos) (Practice Test)
5.1: Flowers and Pollination (Practice Test)
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5.2: Sexual and Asexual Reproduction in Plants
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5.3: Fertilization in Plants (Practice Test)
5.4: Formation of Seed and Fruit (Practice Test)
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- Environment
- Ecosystem
- Habitat
- The Grassland Habitat
- Forest Habitat
- Desert Habitat
- Tundra Habitat
- Fresh Water Habitat
- Saltwater Habitat
- Aquatic Habitat Adaptations
- Factors Causing Changes In A Habitat
- How People Change Habitats?
- Food Chain
- Food Web
Chapter 6 Environment and Feeding Relationships ( 18 videos) (Practice Test)
6.1: Ecosystem (Practice Test)
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6.2: Habitat (Practice Test)
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6.3: Adaptations of Animals and Plants to Live in a Habitat
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6.4: Factors that Cause Changes in a Habitat
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6.5: Food Chains and Food Webs (Practice Test)
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- Introduction to Water
- Sources of Water
- Underground Water
- Impurities in Water
- Water Pollution
- Uses of Water
- Conservation of Water
Chapter 7 Water, Water Everywhere ( 7 videos) (Practice Test)
7.1: Clean Water and Life
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7.2: Sources of Water
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7.3: Impurities in Water
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7.4: Water Pollution
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7.5: Uses of Water
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- Matter
- Element - The Simplest Matter
- Atom
- Structure of An Atom
- Atomic Number
- Mass Number
- Distribution of Electrons in Shell
- Chemical Formula
- Isotopes
- Uses of Isotopes
- Law of Definite(Fixed) Proportion
Chapter 8 Atoms ( 17 videos) (Practice Test)
8.1: Atoms and Elements (Practice Test)
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8.2: Atomic Number and Mass Number (Practice Test)
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8.3: Distribution of Electrons in Shells (Practice Test)
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8.4: Valency and Ions (Practice Test)
8.5: Chemical Formula (Practice Test)
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8.6: Isotopes (Practice Test)
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8.7: Law of Constant Composition (Practice Test)
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- Physical Properties of Matter
- Chemical Properties of Matter
- Reversible And Irreversible Changes
- Physical Changes And Processes
- Chemical Changes and Processes
- Hydrocarbons
- Changing of Vegetable Oil Into Ghee
- Plastic And Its Manufacturing
Chapter 9 Physical and Chemical Changes ( 11 videos) (Practice Test)
9.1: Physical and Chemical Properties of Matter (Practice Test)
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9.2: Reversible and Non-reversible Changes
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9.3: Physical and Chemical Changes (Practice Test)
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9.4: Use of Hydrocarbons as Fuels
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9.5: Useful and Harmful Effects of Fertilizers (Practice Test)
9.6: Changing of Vegetable Oil into Fat
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9.7: Manufacturing of Plastics
159 views
- Heat
- Sources of Heat
- Heat By Friction
- Heat And Temperature
- Thermometer
- Conduction of Heat
- Good And Bad Conductors of Heat
- Everyday Application of Conduction of Heat
- Transfers of Heat In Liquids
- Effects And Application of Convection
- Radiation
- Vacuum Flask
Chapter 10 Heat on the Move ( 14 videos) (Practice Test)
10.1: Heat and Temperature (Practice Test)
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10.2: Conduction (Practice Test)
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10.3: Convection and Convection Currents
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10.4: Radiation (Practice Test)
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10.5: Vacuum Flask
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- Real And Apparent Depth
- Colours of Objects
Chapter 11 Dispersion of Light ( 9 videos) (Practice Test)
11.1: Refraction of Light (Practice Test)
11.2: Effects of Refraction
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11.3: Dispersion of Light (Practice Test)
11.4: Newton Colour Disc
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11.5: Colours of Objects
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- Sound
- Sound Waves Are Vibrations
- Sound Waves Are Longitudinal Waves
- Speed of Sound in Different Materials
- How Does Sound Travel?
- Sound Needs A Medium To Travel
- Speed of Sound in Solids, Liquids And Gases
- Speed of Sound in Different Materials
- Pitch of Sound
- Loudness of Sound
- Audible Frequency Range
- Applications of Different Sounds
Chapter 12 Sound Waves ( 17 videos) (Practice Test)
12.1: Sound Waves (Practice Test)
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12.2: How Sound Travels (Practice Test)
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12.3: Speed of Sound in Solids, Liquids, and Gases (Practice Test)
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12.4: Characteristics of Sound Waves (Practice Test)
12.5: Pitch of Sound
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12.6: Loudness of Sound
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12.7: Audible Frequency Range
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12.8: Application of Different Sounds in Our Daily Life
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12.9: Sounds Produced by Different Musical Instruments
- Electricity and Its Kinds
- Electric Current
- Flow of Current
- Energy Transfer In An Electrical Circuit
- Heating Effect of Current
- Electricity Produces Light
- Making The Magnet
- Uses of Magnets And Electromagnets
- Magnetic Effect of Current
- Chemical Effect of Current
- Electric Bell
- Potential Difference
- Resistance
Chapter 13 Circuits and Electric Currents ( 24 videos) (Practice Test)
13.1: Electric Current (Practice Test)
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13.2: Electric Circuit (Practice Test)
13.3: Current and Energy
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13.4: Effects of Electric Current (Practice Test)
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13.5: Voltage and Resistance (Practice Test)
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13.6: Measuring Current by Using Different Devices (Practice Test)
13.7: Safe Use of Electricity at Home (Practice Test)
- What Is Beyond Our Solar System?
- The Origin of The Universe
- Stars
- Sun As A Star
- Looking At Stars
- Safety Tips For Observing The Sun
- Birth Of A Star
- Death Of A Star
- Galaxies
- Milky Way Galaxy
- Constellations
- Black Holes
Chapter 14 Investigating Space ( 13 videos) (Practice Test)
14.1: The Universe and its Origin (Practice Test)
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14.2: Bodies That Emit And Reflect Light In Space
14.3: Stars (Practice Test)
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14.4: Galaxy and its Types (Practice Test)
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14.5: Constellations (Practice Test)
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14.6: Black Holes (Practice Test)
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