# ICSE Physics Class 8 Syllabus

The syllabus consists of eight themes - Matter, Physical Quantities and Measurement, Force and Pressure, Energy, Light Energy, Heat Transfer, Sound, Electricity.

### Theme 1: Matter

Kinetic Theory of Matter.

• Three states of matter in terms of movement of particles.
• Energy content in the three states of matter.
• Change of state in matter using the Kinetic theory:
• Boiling
• Vaporization
• Melting
• Fusion
• Evaporation
• Condensation
• Sublimation
• Deposition
• Freezing
• Change of state diagrams (using the terms mentioned above).

### Theme 2: Physical Quantities and Measurement

• Measurement of Density of irregular solids using:
• Eureka Can
• Measuring Cylinder
• Measurement of Density of Fluids:
• Basic Concept
• Concept of Floatation and sinking of a substance (relate to density)
• Comparison of densities in the three states of matter.

### Theme 3: Force and Pressure

• Turning effect of force (moment of force): concept, definition and calculation
• Pressure:
• Definition
• Unit
• Calculation of pressure in simple cases
• Pressure exerted by liquids (Qualitative only).
• Pressure exerted by gases - Atmospheric pressure (Qualitative only).

### Theme 4: Energy

• Concept of Work
• Unit of Work (Joule)
• Calculation of Work done in simple cases
• Kinetic Energy
• Basic Concept
• Potential Energy
• Basic Concept
• Gravitational Potential Energy
• Calculation of kinetic and potential energies from a set of given data (Simple problems and assuming g=10 m/s2)
• Energy transformation in common daily life situations
• Difference between Energy and power

### Theme 5: Light Energy

• Refraction:
• Definition
• Examples of Refraction.
• Curved Mirrors:
• Convex
• Concave
• Reflecting surface (Convex and Concave)
• Uses of Curved mirrors
• Terms related to Curved mirrors - Focus, Principal Axis, centre of curvature, radius of curvature
• Rules for making ray diagrams of Spherical mirrors.
• Real and Virtual Images
• Ray diagrams with curved mirrors where real images are formed.
• Dispersion of white light into constituent colours.

### Theme 6: Heat Transfer

• Difference between Boiling and Evaporation.
• Thermal Expansion:
• Linear Expansion
• Volume Expansion
• Superficial Expansion
• Compare expansivity in Solids, Liquids and Gases.
• Examples and real world applications.

### Theme 7: Sound

• Pitch and Frequency
• Pitch and frequency in relation to working of musical instruments. (Wind, membrane and String)
• Monotone
• Loudness and amplitude
• Unit of loudness in decibels

### Theme 8: Electricity

• Household consumption of electric energy (kilowatt hour)
• Identify live wire, neutral wire and earth wire in terms of their energy and path they travel
• Safety components (fuses / circuit breakers (Qualitative approach only)/ grounding)
• Static Electricity
• Conservation of charges
• Conduction
• Induction
• Electroscope (Gold Leaf Electroscope)
• Lightning Conductor
• Battery as a collection of cells connected in series.
• Dangers of electricity