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Unit 1 | Agricultural practices | |
Unit 2 | Steps involved in cultivating a crop | |
Unit 3 | Basic practices of crop production | |
Unit 4 | Preparation of soil | |
Unit 5 | Cultivator | |
Unit 6 | Sowing | |
Unit 7 | Adding manure and fertilizers | |
Unit 8 | Irrigation | |
Unit 9 | Protection from weeds | |
Unit 10 | Harvesting | |
Unit 11 | Storage of crops | |
Unit 12 | Food from animals | |
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Unit 1 | Microorganism and their classification: | |
Unit 2 | Place where microorganism live | |
Unit 3 | Microorganism and us | |
Unit 4 | Harmful microorganisms | |
Unit 5 | Food preservation | |
Unit 6 | Nitrogen fixation | |
Unit 7 | Nitrogen cycle | |
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Unit 1 | Synthetic fibres | |
Unit 2 | Types of synthetic fibres | |
Unit 3 | Characteristic of synthetic fibre | |
Unit 4 | Plastics | |
Unit 5 | Plastics as a material of choice | |
Unit 6 | Plastic and environment | |
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Unit 1 | Metals, non-metals | |
Unit 2 | Classification of elements as metals & non-metals. | |
Unit 3 | Corrosion of iron (rusting) | |
Unit 4 | Uses of certain metals. | |
Unit 5 | Metalloids and their metalloids | |
Unit 6 | Chemical properties of metals and non-metals | |
Unit 7 | Uses of metals and non-metals | |
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Unit 1 | Inexhaustible and exhaustible natural resources | |
Unit 2 | Coal | |
Unit 3 | Petroleum | |
Unit 4 | Natural gas | |
Unit 5 | Some limited natural resources | |
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Unit 1 | Combustion | |
Unit 2 | Controlling of fire | |
Unit 3 | Types of combustion | |
Unit 4 | Flame | |
Unit 5 | Fuel | |
Unit 6 | Burning of fuels leads to harmful products: Global warming, acid rain etc. | |
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Unit 1 | Deforestation and its causes | |
Unit 2 | Consequences of deforestation: Drought, desertification etc. | |
Unit 3 | Conservation of forest and wildlife | |
Unit 4 | Wildlife Sanctuary | |
Unit 5 | Biosphere Reserve | |
Unit 6 | Flora and fauna | |
Unit 7 | Endemic species | |
Unit 8 | Endangered animals | |
Unit 9 | Red Data Book | |
Unit 10 | Migration | |
Unit 11 | Recycling of paper | |
Unit 12 | Reforestation | |
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Unit 1 | Cells and its discovery | |
Unit 2 | Organisms show variety in cell number (multicellular, unicellular), shape and size | |
Unit 3 | Plant cell: Cell organelles and their functions | |
Unit 4 | Animal cell: Cell organelles and their functions | |
Unit 5 | Diagrams of plant and animal cell | |
Unit 6 | Only the following to be included: Cell wall, Cell membrane, Plastids, Nucleus, Vacuole, Cytoplasm – their structure and functions | |
Unit 7 | Differences between plant and animal cells | |
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Unit 1 | Sexual reproduction in humans | |
Unit 2 | Asexual reproduction | |
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Unit 1 | Force – A Push or a Pull: Definition and examples | |
Unit 2 | Forces are due to an interaction: Examples | |
Unit 3 | Balanced and unbalanced forces | |
Unit 4 | Exploring forces | |
Unit 5 | Contact forces: Muscular force, friction etc. | |
Unit 6 | Non-contact force: Magnetic force, electrostatic force, gravitational force | |
Unit 7 | Turning effect of force (moment of force): concept, definition and calculation | |
Unit 8 | Pressure | |
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Unit 1 | Force of friction | |
Unit 2 | Factors affecting friction | |
Unit 3 | Friction: A necessary evil | |
Unit 4 | Ways to increase and reduce friction | |
Unit 5 | Wheels reduce friction | |
Unit 6 | Fluid friction | |
Unit 7 | Sliding friction, rolling friction, kinetic friction | |
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Unit 1 | Sources of sound | |
Unit 2 | Sound as a longitudinal wave | |
Unit 3 | Characteristics of a sound wave: Amplitude (Relate amplitude with loudness) and Frequency | |
Unit 4 | Sound needs a medium to propagate | |
Unit 5 | Reflection and Absorption of sound | |
Unit 6 | Relative speed of sound in different medium | |
Unit 7 | Sound produced by vibrating object | |
Unit 8 | Sound produced by humans | |
Unit 9 | Pitch and Frequency | |
Unit 10 | Monotone | |
Unit 11 | Amplitude, time period and frequency of a Vibration | |
Unit 12 | Unit of loudness in decibels | |
Unit 13 | Audible and inaudible Sounds | |
Unit 14 | Noise and music | |
Unit 15 | Noise pollution | |
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Unit 1 | Conduction of electricity through electricity | |
Unit 2 | Chemical effects of electric current | |
Unit 3 | Electroplating | |
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Unit 1 | Reflection of light | |
Unit 2 | Structure and care of eye | |
Unit 3 | Visually impaired persons can read and write with the help of braille system | |
Unit 4 | Refraction: Definition and Examples of Refraction | |
Unit 5 | Curved Mirrors | |
Unit 6 | Dispersion of white light into constituent colours | |
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Unit 1 | Lightning | |
Unit 2 | Charging by rubbing | |
Unit 3 | Types of charges and their interaction | |
Unit 4 | Transfer of charge | |
Unit 5 | The story of lightning | |
Unit 6 | Do’s and Don’ts during a thunderstorm | |
Unit 7 | Lightning conductor | |
Unit 8 | Earthquakes | |
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Unit 1 | Astronomy | |
Unit 2 | Celestial objects | |
Unit 3 | The solar system | |
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Unit 1 | Air pollution | |
Unit 2 | Water pollution | |