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