CBSE Syllabus For Class 7 Science: Knowing the Syllabus is very important for the students of Class 7. Shaalaa has also provided a list of topics that every student needs to understand.
The CBSE Class 7 Science syllabus for the academic year 2022-2023 is based on the Board's guidelines. Students should read the Class 7 Science Syllabus to learn about the subject's subjects and subtopics.
Students will discover the unit names, chapters under each unit, and subtopics under each chapter in the CBSE Class 7 Science Syllabus pdf 2022-2023. They will also receive a complete practical syllabus for Class 7 Science in addition to this.
Academic year:
CBSE Class 7 Science Revised Syllabus
CBSE Class 7 Science and their Unit wise marks distribution
CBSE Class 7 Science Course Structure 2022-2023 With Marking Scheme
Syllabus
1 Nutrition in Plants
- Nutrients and Nutrition
- What are Nutrients?
- Types of Nutrients
- Functions of Nutrients/Need of Nutrients
- Some important Nutrients
- What do various nutrients do for our body?
- Mode of Nutrition in Plant
- Nitrogen Fixation
- Methods to Replenish Nutrients in Your Soil
2 Nutrition in Animals
- Different Ways of Taking Food
- Human Digestive System
- Human Digestive System
- Alimentary canal
- Associated digestive glands
- The Mouth and Buccal Cavity
- The Teeth and Its Structure
- The Salivary Glands
- The Food Pipe/Oesophagus
- The Stomach
- The Small Intestine
- Pancreas
- Absorption of Food
- The Large Intestine
- Assimilation of Food
- Liver
- Digestion in Grass-eating Animal
- Feeding and Digestion in Amoeba
3 Fibre to Fabric
4 Heat
- Heat and Its Unit
- Heat
- Unit of Heat
- Hot and Cold Objects
- Temperatures
- Temperature
- Unit of Temperature
- Thermometer and Its Types
- Measuring Temperature
- Transfer of Heat
- Radiation
- Radiations
- Sources of harmful radiations
- Harmful effects of radiations
- Some important applications of black and white surfaces in daily life.
- Radiation
- Kinds of Clothes Wear in Summer and Winter
5 Acids, Bases and Salts
- Acids
- Acids
- Examples of acids
- Bases (Alkalis)
- Bases (Alkalis)
- Basic oxide
- Basic hydroxide
- Indicators
- Types of Double Displacement: Neutralization Reaction
- Neutralization Reactions in Our Daily Life
6 Physical and Chemical Changes
- Classification of Change: Physical Changes
- Classification of Change: Chemical Changes
- Chemical Change
- Properties of Chemical Change
- Importance of Chemical Change
- Experiment of Chemical Change
- Corrosion of Metals and Its Prevention
- Methods of Separation
7 Weather, Climate and Adaptations of Animals to Climate
- Weather
- Climate
- Climate and Adaptation
- Adaptations and Its Types
- Adaptation
- Some more examples of adaptations
- Three basic types of adaptations
- Structural adaptations
- Physiological adaptations
- Behavioural adaptations
- Adaptation in Animals
8 Wind Storms and Cyclones
- Wind: The Movement of Air
- Atmospheric Pressure
- Atmospheric Pressure
- Demonstration of Atmospheric Pressure
- High Speed Winds Are Accompanied by Reduced Air Pressure
- Air Expands on Heating
- Wind Currents Are Generated Due to Uneven Heating on the Earth
- Thunderstorms
- Cyclones
- Thunderstorm and Cyclone: Destruction Causes, Safety Measures and Role of Advanced Technology
9 Soil
10 Respiration in Organisms
- Respiration
- Respiration
- Need for Respiration
- Significance of Respiration
- Respiration in Organisms
- Why do we respire?
- Respiration in organisms
- The need for respiration in organisms
- Types of Respiration: Aerobic and Anaerobic Respiration
- Cellular respiration
- Types of cellular respiration
- Aerobic Respiration
- Anaerobic Respiration
- Aerobic respiration in plant/animal
- Anaerobic respiration in plant/animal
- Differences in anaerobic respiration in plants and animals
- Breathing – Respiratory Cycle
- Inspiration (Inhalation)
- Expiration (Exhalation)
- Exchange of gases in the Alveoli
- Difference between inhalation and exhalation
- Differences between breathing and respiration
- Model to show mechanism of breathing
- Control of breathing movements
- Human Respiratory System
- Conducting Part:
- Nose
- Nasal cavity
- Pharynx
- Larynx
- Trachea
- Bronchi
- Bronchioles
- Terminal bronchioles
- Respiratory Part
- External Nostrils
- Nasal Chamber
- Pharynx
- Larynx
- Trachea
- Lungs: Bronchi and Alveoli
- Stages of respiration in human being involve
- Breathing in Other Animals
- Respiration in Plant
- Do plants breathe?
- The process of respiration in plants
- Respiration in roots
- Respiration in stems
- Respiration in leaves
- Types of respiration
- Aerobic Respiration
- Anaerobic Respiration
11 Transportation in Animals and Plants
- Blood
- Blood
- Properties of blood
- Composition of Blood: Red Blood Cells (Erythrocytes)
- Composition of Blood: White Blood Cells (Leukocytes)
- Composition of Blood: Blood Platelets (Thrombocytes)
- Blood Vessels – Arteries, Veins, and Capillaries
- Heart Beat - Heart Sounds "LUBB" and "DUP"
- Heart Beat
- Heart Sounds "LUBB" and "DUP"
- Pulse
- Pulse Rate
- Blood Circulatory System in Human
- Human Heart
- Location
- Heart wall
- Chambers of the heart
- Blood vessels entering and leaving the heart
- Valves regulate the flow of blood in a single direction
- Circulation of Blood in the Heart (Functioning of Heart)
- Circulation of blood in the heart
- Pumping action of the heart
- Conducting tissue of the heart
- Conducting system of the heart
- Excretion: Substances to Be Eliminated
- Excretion
- Excretory organ
- Substances to be eliminated
- Human Excretory System
- Kidneys
- Sweat glands
- Ureters
- Urinary bladder
- Urethra
- Lungs
- Kidneys
⇒ V.S. of kidney shows that there are two distinct regions:
1) Renal Cortex
2) Renal Medulla - Nephron
⇒ Structure of nephron: Glomerulus, Renal Tubule
1) Bowman's capsule (Glomerular capsule)
2) Proximal Convoluted Tubule (PCT)
3) Loop of Henle
4) Distal convoluted tubule (DCT)
5) Collecting tubule (CT)
- Transportation of Water and Food in Plants
- Water and Mineral Absorption by Root
- Root
- Root Hair
- Root Hair-Water Absorbing Unit
- Speciality of root hairs
- Permanent Tissue
- Transpiration
- Transpiration
- Demonstration of Transpiration
- Exchange of Gases
12 Reproduction in Plants
- Reproduction in Plant
- Mode of Reproduction in Plant
- Mode of Reproduction in Plant:
- Sexual reproduction
- Why the Sexual Mode of Reproduction? - Asexual reproduction
- Asexual Reproduction
- Asexual Reproduction in Plant
- Asexual reproduction in plant
- Types of asexual reproduction in plant
- Asexual Reproduction in Plant
- Asexual Reproduction in Plant
- Natural Vegetative Reproduction
- Method of natural vegetative reproduction:
- Reproduction by Stem
- Reproduction by Leaf
- Reproduction by Root
- Advantages of natural vegetative reproduction
- Disadvantages of natural vegetative reproduction
- Artificial Vegetative Reproduction - Conventional Method
- Artificial vegetative reproduction
- Types of artificial vegetative reproduction - conventional and modern methods
- Artificial method of vegetative reproduction
- Cutting
- Layering
- Grafting
- Suckering
- Micropropagation
- Advantages and disadvantages of artificial vegetative reproduction
- Natural Vegetative Reproduction
- Sexual Reproduction in Flowering Plants
- Sexual Reproduction in Flowering Plants
- Stages of Sexual Reproduction in Flowering Plants
(i) Pre-fertilisation events
(ii) Double fertilisation
(iii) Post-fertilisation events
- Pollination
- Kinds of Pollination
- Double Fertilization and Triple Fusion in Plant
- Fruits
- The Seed
- The seed
- Types of seed
A) Based on the number of cotyledons two types of seeds are recognized.
(i) Dicotyledonous seed
(ii) Monocotyledonous seed
B) Based on the presence or absence of the endosperm the seed is of two types.
(i) Albuminous or Endospermous seed
(ii) Ex-albuminous or non- endospermous seed - Significance of Seeds
- Dispersal of Seeds
13 Motion and Time
- Motion and Rest
- What is rest?
- What is motion?
- Rest and motion are relative
- Speed
- Speed
- Formula of Speed
- Unit of Speed
- Examples of Speed
- Types of Speed
- Types of Speed
- Uniform Speed
- Non-Uniform speed
- Instantaneous Speed
- Average Speed
- Types of Motion
- Measurement of Time
- Time
- SI unit of Time
- Smaller unit of Time
- Bigger unit of Time
- Devices for Measuring Time
- Simple Pendulum for Time
- A Time Period of Oscillation and Frequency
- Measuring Speed
- Graphical Representation of Motion
- Displacement - Time Graph Or Distance - Time Graph
- Distance-time graph for uniform motion
- Distance-time graph for non-uniform motion
- Displacement - Time Graph Or Distance - Time Graph
14 Electric Current and Its Effects
- Electricity
- Electric Circuit
- Electric circuit
- Circuit Diagram
- The flow of electricity in a circuit
- Arrangement of Circuits: Open Circuit and Closed
- Symbols and Functions of Various Components of an Electric Circuits
- Inside view of torch
- Components of Electric Circuits
- Symbols of Electric Components
- Battery
- Connecting cells
- Effects of Electric Current
- Heating Effect of Electric Current
- Heating effect of electric current
- Factors affecting Heating Effect of current
- Applications of Heating Effect of electric current
- Electric Heating Device
- Fuse Wire
- Filament in bulbs
- Electric kettles
- Electric cookers
- Electric irons
- Magnetic Effect of Electric Current
- Magnetic effect of current
- Application of Magnetic effect of electric current
- Electromagnet
- Electric Bell
- Telephone
- Oersted's experiment on the magnetic effect of electric current
- Heating Effect of Electric Current
15 Light
- Light
- Rectilinear Propagation of Light
- Reflection of Light
- Reflection of Light
- How do we see an object?
- Mirrors and Its Types
- Plane Mirror and Reflection
- Plane Mirror and Reflection
- Characteristic of the image formed by a plane mirror
- Uses of a plane mirror
- Lateral Inversion
- Divergence and Convergence of Light
- Spherical Mirrors
- Spherical Mirrors
- Terms related to Spherical Mirrors
- Center of Curvature (C)
- Pole (P)
- Radius of Curvature (R)
- Principal Axis
- Focus (F)
- Focal length (f)
- Principal section
- Aperture
- Formation of Image by Reflection: Real and Virtual Image
- Formation of Image by Reflection
- Real Image
- Virtual Image
- Distinction between a real and a virtual image
- Concave Mirror
- Concave Mirror
- Application of Concave Mirror
- Convex Mirror
- Convex Mirror
- Uses of convex mirrors
- Lens
- Lens
- Types of lens
- Convex Lens
- Concave Lens
- Plano-convex lens
- Plano-concave lens
- Applications of Lens
- Images Formed by Sperical Lenses
- Colour
- Concept of Prism
- Dispersion of Light Through Prism and Formation of Spectrum
- Dispersion Of Light through Prism
- Newton's Experiment
- Formation of Rainbow
- Newton Disc
- Spectrum
- Cause of dispersion of white light and formation of spectrum
- Angular dispersion (Δ)
- Dispersive power (ω)
- Dispersion without deviation
- Deviation without dispersion
16 Water: A Precious Resource
- Water, Our Lifeline
- Introduction
- Water: A Compound
- Occurrence of water
- Availability of Water
- Biogeochemical Cycle
- Water Cycle
- Water Cycle
- Evaporation
- Sublimation
- Transpiration
- Condensation
- Precipitation
- Runoff
- Infiltration
- Percolation
- Importance of water cycle
- Human impacts on the water cycle
- Water Cycle
- Sources of Water
- Scarcity of Water
- Distribution of Water in India
- Water Management (Conservation of Water)
- Controlling the Wastage of Water
- Effect of Water Scarcity
17 Forests: Our Lifeline
- Forests: Our Lifeline
- Forest Biology
- Forest Biodiversity
- Crown
- Canopy
- Understorey
- Forest Ecosystem
- Spatial pattern: Stratification and zonation
- Forest Biome
- Habitat and Its Types
- Habitat
- Types of Habitats
- Aquatic habitat: Fresh water Habitat and Marine water habitat
- Terrestrial habitat: Forest habitat, Grassland habitat, and Desert habitat
- Structure of an Ecosystem
- Biotic Components
- Producers
- Primary consumers
- Secondary consumers
- Tertiary consumers
- Abiotic Components
- Sunlight
- Air
- Water
- Temperature
- Soil
- Interaction between biotic and abiotic factors in an ecosystem
- Classification of Plants
- Biogeochemical Cycle
- Water Cycle
- Water Cycle
- Evaporation
- Sublimation
- Transpiration
- Condensation
- Precipitation
- Runoff
- Infiltration
- Percolation
- Importance of water cycle
- Human impacts on the water cycle
- Water Cycle
- Importance of Forest
- Deforestation and Its Causes
- Deforestation
- Causes of deforestation: Jhum cultivation
- Consequences of Deforestation
18 Wastewater Story
- Water, Our Lifeline
- Introduction
- Water: A Compound
- Occurrence of water
- Sewage and Its Management
- Purification of Water
- Wastewater Treatment Plant (WWTP)
- Better Housekeeping Practices
- Controlling the Wastage of Water
- Sanitation and Disease
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