Science Secondary School (English Medium) Class 7 CBSE Syllabus 2024-25

• Introduction
• Modes of Nutrition
• Types of Nutrients

• Digestion
• Alimentary Canal 
• Digestive organs

• Teeth and Its Types
• Structure of a Tooth

• Introduction
• Function of the Oesophagus

• Introduction
• Function of the Stomach

• Introduction
• Functions of Small Intestine

• Introduction
• Functions of Pancreas

• Introduction
• Functions of the Large Intestine

• Introduction
• Functions of the Liver

• Introduction
• Experiment: 1
• Experiment: 2

• Thermometer and its working
• Types of Thermometers

• Definition
• Introduction of Acid
• Types of acid based on the source
• Types of acid based on the presence of oxygen
• Types of acid based on the strength of the acid
• Types of acid based on its concentration
• Types of acid based on the basicity of the acid

• Introduction of Base
• Types of bases based on acidity
• Types of bases based on therir concentration in aqueous solution
• Types of bases based on their degree of ionisation

• Introduction of Indicator
• Types of Indicators
• Concept of pH scale
• Reactions
• Experiment: 1
• Experiment: 2

• Introduction of Neutralization
• Application of Neutralization

• Similarities and differences between acids and bases
• Acid solution in water conducts electricity
• What Happens to an Acid or a Base in a Water Solution?

• Introduction
• Types of Chemical Reaction
• Experiment

• Corrosion
• Experiment
• Rusting Process and Corrosion Effect

• Introduction
• Respiration involves
• Types of Respiration

• Cellular respiration
• Types of cellular respiration

1. Aerobic Respiration
2. Anaerobic Respiration

• Aerobic respiration in plant/animal
• Anaerobic respiration in plant/animal
• Differences in anaerobic respiration in plants and animals

• Mechanism of Respiration
• Steps of Respiration

• Respiratory System
• Exchange of Gases in Lungs
• Significance of Respiration

• Do plants breathe?
• The process of respiration in plants
• Respiration in roots
• Respiration in stems
• Respiration in leaves
• Types of respiration

1. Aerobic Respiration
2. Anaerobic Respiration

• Introduction
• Components of Blood

• Blood Vessels: Structure and Functions
• Capillaries

• Heartbeat Rate
• Heart Sounds
• Pulse
• Pulse Rate

• Blood Circulatory System
• Blood vascular system
• Blood Composition
• Blood Coagulation (Clotting)

• Structure of the Heart
• Layers of the Heart Wall
• Chambers of the Heart
• Valves of the Heart
• Pathway of Blood through the Heart

• Blood Circulation through Heart / Functioning of Heart
• Experiment

• Introduction
• Excretion in Plants
• Experiment
• Excretion in Human
• Formation of Urine
• Artificial kidney (Hemodialysis)

• Introduction
• Human Excretory System Organs
• Excretion in Humans
• Mechanism of Excretion in Humans
• Dialysis

• Root
• Root Hair
• Structure of root hair

• Introduction
• Weather related / Climatic factors
• Changes in Weather

• Introduction
• Reproduction in Plants
• Importance of Variation
• Reproduction in Lower and Higher Animals
• Organisms Create Copies of Themselves

Mode of Reproduction in Plant:

1. Asexual reproduction

2. Sexual reproduction

• Asexual reproduction in plant

• Different modes of asexual reproduction in plant

1. Fragmentation
2. Budding
3. Spore formation
4. Binary fission
5. Conidia formation
6. Gemma formation

• Sexual Reproduction in Flowering Plants
• Stages of Sexual Reproduction in Flowering Plants
  (i) Pre-fertilisation events
  (ii) Double fertilisation
  (iii) Post-fertilisation events

• Double Fertilization 
• Significance of Double Fertilization 
• Syngamy and Triple Fusion

• 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

• Introduction
• Experiment 

• Introduction to Scientist
• Motion and Rest

1. Linear motion
2. Non-linear motion

• Time
• SI unit of Time
• Smaller unit of Time
• Bigger unit of Time

• Introduction
• Working
• Electric Circuits and Circuit Diagrams
• Experiment
• Joule’s Law of Heating and Electrical Power

• Components of Electric Circuits
• Experiment 

• Introduction
• Experiment 1
• Experiment 2

• Introduction
• Activity
• Experiment

• Introduction
• Experiment 
• Distinguishing Concave and Convex Mirrors

• Formation of Image by Reflection

1. Real Image
2. Virtual Image
3. Distinction between a real and a virtual image

• Lens and its Types
• Cross-Sections of Convex and Concave Lenses

• Dispersion of Light Through a Prism
• Newton’s Disc and the Colours of Light
• Wavelength and Speed of Light in Different Media
• Activity 1
• Activity 2
• Activity 3

• Forest Biology
• Forest Biodiversity

1. Crown
2. Canopy
3. Understorey

• Forest Ecosystem
• Spatial pattern: Stratification and zonation

• Habitat
• Types of Habitats

1. Aquatic habitat: Fresh water Habitat and Marine water habitat
2. Terrestrial habitat: Forest habitat, Grassland habitat, and Desert habitat

• Introduction
• Classification Based on Size and Shape
• Classification Based on Support (Vines)
• Classification Based on Lifespan
•  Classification Based on Habitat (Where Plants Grow)

• Introduction
• Types of Biogeochemical Cycle

• Deforestation
• Causes of deforestation

• Introduction
• Importance of Water for Sustaining Life

• Introduction
• Importance of Water for Sustaining Life

• Various uses of Water
• Scarcity of Water